午夜福利总站-午夜国产-午夜国产爆乳-午夜国产传媒-午夜国产大片-午夜国产福利片-午夜国产福利在线-午夜国产精品福利-午夜国产精品视频-午夜国产理伦

enciclopédia

'Its strength is its simplicity' The benefits of cleaning with vinegar.txt

zlhtn

10 Oct 2025(atualizado 10/10/2025 às 00h26)

'Its strength is its simplicity': The benefits of cleaning with vinegarSkip to contentBritish Broadc

Temas

Compartilhe

Na??o Zumbi, Mundo Livre S/A e Devotos encerram a programa??o de shows em Olinda na Quarta de Cinzas'Its strength is its simplicity' The benefits of cleaning with vinegar.txt

'Its strength is its simplicity' The benefits of cleaning with vinegar.txt

'Its strength is qual o horário do sorteio da loteriaits simplicity': The benefits of cleaning with vinegarSkip to contentBritish Broadcasting CorporationRegisterSign InHomeNewsSportBusinessInnovationCultureArtsTravelEarthAudioVideoLiveHomeNewsIsrael-Gaza WarWar in UkraineUS & CanadaUKUK PoliticsEnglandN. IrelandN. Ireland PoliticsScotlandScotland PoliticsWalesWales PoliticsAfricaAsiaChinaIndiaAustraliaEuropeLatin AmericaMiddle EastIn PicturesBBC InDepthBBC VerifySportBusinessExecutive LoungeTechnology of BusinessFuture of BusinessInnovationTechnologyScience & HealthArtificial IntelligenceAI v the MindCultureFilm & TVMusicArt & DesignStyleBooksEntertainment NewsArtsArts in MotionTravelDestinationsAfricaAntarcticaAsiaAustralia and PacificCaribbean & BermudaCentral AmericaEuropeMiddle EastNorth AmericaSouth AmericaWorld’s TableCulture & ExperiencesAdventuresThe SpeciaListTo the Ends of The Earth EarthNatural WondersWeather & ScienceClimate SolutionsSustainable BusinessGreen LivingAudioPodcast CategoriesRadioAudio FAQsVideoLiveLive NewsLive SportHomeNewsSportBusinessInnovationCultureArtsTravelEarthAudioVideoLiveWeatherNewsletters'Its strength is its simplicity': The benefits of cleaning with vinegar24 April 2025ShareSaveKatarina ZimmerShareSaveGetty Images(Credit: Getty Images)Katarina Zimmer put vinegar to the test as a cleaning product and discovered a wide range of benefits, for people and the planet.A few months ago in my new Berlin apartment, my toilet and I were at war. No amount of scrubbing or toilet cleaner would evict the limescale coating inside. Frustrated, I turned to Google and stumbled across a page recommending vinegar – something that the previous inhabitant had left behind in abundance. After dropping two tablespoons full of "Essigessenz" – essentially concentrated vinegar – into the toilet and waiting for half an hour, I scrubbed and the limescale came off in a moment. Since then, I've enthusiastically used vinegar to rid my world of limescale. I've found it even more effective than my regular kitchen spray cleaner for getting my sink sparkling. That includes the faucet, which I wrapped in a vinegar-soaked kitchen tissue – whereas my regular cleaning spray dribbled off. And rather than having to buy special tablets to clean my limescale-smothered glass kettle, I simply poured two tablespoons of concentrated vinegar inside and boiled it. As the limescale crackled off, it made a satisfying sizzling sound.I wondered if vinegar had other advantages. Did it also kill off bacteria and other germs? And, importantly, was this simple, natural product better for the environment and for my health than regular cleaning products? The internet is full of sustainability influencers and green cleaning blogs that advertise vinegar as a jack-of-all-trades and a safer and "greener" alternative to "toxic" cleaning products. These claims make sense on the surface; vinegar is after all just fermented alcohol and has long been used as a food preservative, in salad dressings, as well as a household cleaner – but I wanted evidence. After interviewing three experts, I learned that while some of these claims are true, the benefits of vinegar depend a lot on how it's used and the kind of grime you're trying to get rid of.Getty ImagesLimescale dissolves more easily in acidic fluids like vinegar (Credit: Getty Images)Reassuringly, Eric Beckman, a chemical engineer and emeritus professor at the University of Pittsburgh in Pennsylvania, told me that the best cleaning use for acetic acid – the main component of vinegar – is exactly what I had been using it for: as a descaler. Limescale – and rust, for that matter – consists of certain ions that dissolve more easily in acidic fluids like vinegar, he says. Beckman uses vinegar himself to get limescale off mirrors, while the microbiologist Dirk Bockmühl of Germany's Rhine-Waal University of Applied Sciences prefers using lemon juice, which contains citric acid, which he says is a more effective descaler and smells better. (Read more about why vinegar is such an effective cleaner.)That said, vinegar doesn't work on everything. Beckman says that soap does a better job at removing oily films on dishes, while baking soda is effective against processed oils that have stuck onto surfaces while cooking. (Read more about whether baking soda is environmentally friendly).However, Beckman expresses exasperation about a popular remedy of mixing vinegar together with baking soda. The mixture is chemically quite useless, he says, as the acid of vinegar and the base of baking soda effectively cancel each other out. "I use both, but not together," says Beckman. "Together, they give you nothing."   And while vinegar is often touted as a powerful antimicrobial, Bockmühl says, the truth is more nuanced. In a 2020 study, Bockmühl and his colleagues put vinegar to the test against a selection of disease-causing bacteria, viruses and fungi. While many internet recommendations suggest adding a dash of vinegar into a bucket of water for cleaning, Bockmühl found that its anti-microbial effects only kick in at an acetic acid concentration of 5% – its concentration in pure vinegar. And it was only fully effective at distilled concentrations of 10%  – to which the researchers added a dash of citric acid – in killing off five common bacteria, including Escherichia coli and Staphylococcus aureus, as well as a mould, a yeast and a weakened strain of the vaccinia virus. Other studies have found that similar concentrations also work against Sars-CoV-2, the virus that causes Covid-19.  But even these concentrations didn't work against the MRSA bacterium, an especially stubborn strain of Staphylococcus aureus that's resistant to certain antibiotics, while countless bacteria remain untested. Many bacteria – including the ones that ferment alcohol into vinegar – thrive in acids, Beckman adds: "Then they'll be like, 'ooh, yay, vinegar.'" Some moulds, too, are resistant to acetic acid while some viruses – like norovirus – might be, too, Bockmühl suspects. Beckman says that soaps are more effective against bacteria, while standard disinfectants work better against viruses and moulds. Harsh treatments like bleach will definitely kill everything, Beckman says – although bleach can be unsafe if used incorrectly.Getty ImagesVinegar is less effective against processed oils that have stuck onto surfaces during cooking (Credit: Getty Images)Bockmühl stresses that, even for the germs that vinegar does kill, a relatively high concentration is needed. The concentration won't be adequate "if you just put a teaspoon of vinegar into your cleaning solution", Bockmühl says. However, the higher the dose of acetic acid, the more irritating it can be on the skin, he adds. It is harmful if it gets into your eyes. Surfaces can suffer, too: vinegar corrodes natural stone and metals like copper, bronze and brass, according to the Italian chemist Dario Bressanini's book The Science of Cleaning. And in dishwashers or washing machines, it can harm the rubber gaskets used to seal them, while it could also damage coffee machines and strip away the coating on tiles and grout, Bressanini writes. But Bockmühl assures me that it's fine to use vinegar on glass and ceramic surfaces – like my toilet – and stainless steel sinks.The trouble that Bockmühl sees with using homemade cleaning products is that they don't come with instructions or safety recommendations. "They might be safe if you know what you're doing," he says, "but there are a lot of really stupid and absurd recommendations on the internet".More like this:? Are you cleaning your water bottle enough?? Why you might want to change your bedclothes more often? Seven proven ways to help the planet in 2025 To learn more about how the health risks of vinegar compare with those of conventional cleaners, I called up Nicola Carslaw, professor of indoor air chemistry at the University of York in the UK. Her concern is how cleaners disrupt the air in our homes and buildings. It's known that professional domestic cleaners tend to have higher rates of asthma than other occupational groups, although it's proven difficult to pin that on any single product or ingredient.In a recent study, Carslaw and her colleagues tested 23 different cleaning products including dishwasher fluid, washing up liquid and spray products, and found that many of them released volatile chemical compounds (VOCs). Some of these compounds, like terpenes, are often added to give pleasant aromas, such as lavender or pine oil, but they're highly reactive in the atmosphere. Terpenes for instance, easily react with ozone in the air, creating miniscule particles. In general, inhaling particles of this size has been linked to lung and heart disease."Your nose is a really good filter for the big particles, but the smaller ones can get all the way into your lungs [and] into the bloodstream," Carslaw says. Interestingly, in her study she found that cleaning products marketed as "natural" or "green" didn't seem any healthier in this regard. "The natural/green ones had as many, if not more VOCs as the standard cleaners, and in many cases they were more reactive," she says.Vinegar passes muster on any sustainability scale because it's simple and it's degradable – Eric BeckmanBut vinegar, by contrast, only consists of water and acetic acid (and a few other substances that make the difference between red and wine vinegar, for instance). As such, "it's just not going to be chemically reactive in the same way", Carslaw says. Another advantage of vinegar is that it's usually applied on a cloth to wipe surfaces rather than used as a spray, Carslaw adds. Research shows that cleaning products applied in spray form have more harmful effects on the respiratory system than liquids and wipes. (Read more about the health risks associated with cleaning products in Jessica Bradley's story). "When you spray something, you're turning the chemical into a form that's much easier to breathe [in] than if you have the liquid," Carslaw says. That said, she always advises gloves when there's risk of skin contact, good ventilation and avoiding excessive cleaning, whatever product is used. (Read more about whether we're cleaning too much for our own good).Getty ImagesVinegar quickly breaks down and therefore its environmental impact is low (Credit: Getty Images)This all left me with one remaining question: is using vinegar more environmentally friendly than conventional cleaners? That's a hard question to answer, says Beckman. Ideally, there would be life cycle analyses for cleaning products which track impacts from cradle to grave, tracing each ingredient back to its source, how it's produced, transported, packaged and eventually disposed of. But very few companies do that thoroughly, even if they do brand their products as "green", Beckman says. "But I will say this about vinegar. [Its] strength is its simplicity," Beckman says. Conventional cleaners can consist of more than a dozen different ingredients, many of them industrially manufactured in energy-consuming processes, he says. Acetic acid is born through the natural, yeast-driven fermentation of alcohol, which itself comes from the natural fermentation of sugar. The biggest environmental impact of vinegar-making is where the sugar came from – whether it's grapes, apples, grains, potatoes, or rice – which are largely renewable resources. Bockmühl cautions that this only applies to naturally fermented vinegars, the ones typically sold as food products; there are also synthetic vinegars which are derived from fossil fuels, meaning they come with all the environmentally harmful impacts of oil and gas extraction.  Even at the very end of its life, vinegar has little impact. While many ingredients in soaps are tough molecules and don't easily biodegrade, sometimes continuing to kill organisms once they're in the environment, vinegar quickly breaks down, Beckman says. "Vinegar passes muster on any sustainability scale because it's simple and it's degradable," he says. After discovering all of this, I felt even better about using vinegar. I probably won't rely on it for ridding my surfaces of germs, but I'll keep using it to remove limescale and look forward to trying it out on the next rusty item I find. I'm happy to put up with the smell, knowing that I'm using a sustainable product that's likely better for my health. --For essential climate news and hopeful developments to your inbox, sign up to the Future Earth newsletter, while The Essential List delivers a handpicked selection of features and insights twice a week.For more science, technology, environment and health stories from the BBC, follow us on Facebook, X and Instagram.EarthSustainability on a ShoestringHygieneHealthSustainabilityEnvironmentClimateScienceFeaturesWatchExplaining how a touchscreen works with a sausageBritish mathematician Hannah Fry digs into the science of touchscreens.4 Aug 2025ScienceSeven images that transformed our world viewWatch how the maps and images of our planet from above have changed over the last two millennia.30 Apr 2025EarthTen striking images of an Earth scarred by humansFrom a shipwrecking yard in Bangladesh to a river of iron dioxide in Canada, a deep dive in Ed Burtynsky's work.16 Apr 2025EarthWhat's inside a black hole?Black holes are one of the mysteries of the universe where all the laws of nature as we know them stop working.9 Apr 2025ScienceUsing bubbles to remove forever chemicals from our waterBBC Click visits a UK research team working on a solution to remove toxic chemicals known as PFAS from water.27 Mar 2025ScienceHow sex with Neanderthals changed us foreverWe find out what we gained when Homo sapiens mated with Homo neanderthalensis many thousands of years ago.18 Mar 2025ScienceTheory of Evolution: How did Charles Darwin come up with it?The British naturalist embarked on an extraordinary journey, did hundreds of experiments, and wrote for 20 years.12 Feb 2025ScienceRaja the elephant asking for a road tollIn Sri Lanka, a charming elephant cheekily halts traffic for treats. 29 Jan 2025EarthInside the hidden world of rhino romanceWatch two rhinoceroses involved in a game of 'kiss and chase'.24 Jan 2025EarthThe power of hugs for reducing inflammation in the bodyDr. Lisa Dahlgren discusses the effect human touch has on our health and wellbeing.22 Jan 2025HealthA mother tiger on a fierce hunt to feed her cubsWhile her three offspring take a leisurely bath, this Bengal tiger mother must find food for the entire family.16 Jan 2025EarthHow foxes outsmart world's heaviest raptor in quest for foodWatch red foxes challenge the Steller's sea eagle, the world's heaviest raptor, as they search for food in Japan.8 Jan 2025EarthHomo juluensis: Possible 'new ancient human' identifiedResearchers may have identified a new human species that lived around 300,000 years ago in Asia.6 Jan 2025ScienceMum saves baby seal with a clever trickWatch as David Attenborough reveals the unique behaviour of a mother seal to protect her pup in icy waters.31 Dec 2024EarthHow Arctic communities protect themselves from avalanchesBBC Click finds out how local communities in Svalbard use technology to combat avalanches and heavy snowfall.31 Dec 2024ScienceMountain goats: A death-defying battle to mateWatch the world's largest species of goat fight for the right to mate, teetering on the edge of perilous drops.17 Dec 2024EarthThe near miraculous escape of a cave swiftThe Tam Nam Lod Cave is home to over a quarter of a million swifts. But there are hidden dangers.12 Dec 2024EarthMeet the mudskipper: The remarkable fish that lives on landThe mudskipper is a fish that can leap with a flick of its tail. Watch a particularly agile specimen in action.3 Dec 2024EarthWatch the dramatic escape of tiny fish from deadly sharksThe Moorish idol, a dramatic little fish with dazzling stripes, adopts a clever strategy to save its life.27 Nov 2024EarthEarth tides: Why our planet's crust has tides tooHow do they differ from the ocean? A geophysicist breaks it down for us.28 Sep 2024Weather & scienceMore from the BBC3 hrs agoFarmer, 37, dies after missing out on new treatment Robin Elcock was unable to access new treatment for brain tumours as he did not have the necessary tissue.3 hrs ago4 hrs agoDementia suits show how tricky daily tasks can beThe simulation suits are helping health staff understand the frustration patients face every day.4 hrs ago4 hrs agoBlood cancer treatments come on 'leaps and bounds'A Wiltshire woman, who is now in remission, says new treatments are also much gentler on the body. 4 hrs ago8 hrs agoPostcode lottery for new cancer treatments, doctors warnExperts say bureaucracy is "stifling innovation" and that applying for funding to pay for new treatments can be "cumbersome".8 hrs ago8 hrs agoDr Xand: Stress is normal. Here's how to manage it betterStress, in small doses, can be good for us. Here are five simple, science-backed ways to manage it better. 8 hrs agoBritish Broadcasting CorporationHomeNewsSportBusinessInnovationCultureArtsTravelEarthAudioVideoLiveWeatherBBC ShopBritBoxBBC in other languagesFollow BBC on:Terms of UseAbout the BBCPrivacy PolicyCookiesAccessibility HelpContact the BBCAdvertise with usDo not share or sell my infoBBC.com Help & FAQsContent IndexCopyright 2025 BBC. All rights reserved. The BBC is not responsible for the content of external sites. Read about our approach to external linking. 

NEWSLETTER GRATUITA

Nexo | Hoje

Your_pictures_on_the_theme_of_monochrome_.txt

Foli?es resistentes tomam ruas do Recife e de Olinda e se despedem do carnaval com Cambur?o da Alegria e Bloco da Ressaca lazer e os foco enciclopédia.

GRáFICOS

nos eixos

'Remarkable' set of comics to go under the hammer in Lichfield.txt

Céu em chamas? Entenda o que é a 'Lua de Sangue' que acontece neste domingo entretenimento e os enciclopédia foco.

Navegue por temas

Foli?es dizem 'até logo, carnaval' ao som do Orquestr?o no 'arrast?o do frevo' pelas ruas do Recife; VíDEO N?o s?o só folhas e galhos: estudo revela que troncos de árvores abrigam trilh?o de microrganismos e funcionam como ecossistemas vivos Vis?o emba?ada e irrita??o nos olhos: Pernambuco registra 129 pessoas atendidas com les?es após uso de pomada para cabelo no carnaval Werner Schunemann interpreta Herodes no teatro de Nova Jerusalém em PE: 'ele é um personagem muito controverso' 'Lua de Sangue' sobe aos céus neste domingo, mas calma que n?o é o fim do mundo! Entenda o fen?meno que será transmitido ao vivo UFRPE abre 217 vagas para cursos de gradua??o a distancia; saiba como se inscrever Confira o elenco da temporada 2025 da Paix?o de Cristo de Nova Jerusalém Coreia do Sul anuncia acordo com os EUA para resgatar funcionários presos em fábrica durante a??o anti-imigra??o 'Ei, aqui, ó': mangueiras, jatos d'água e até borrifador improvisado s?o usados para combater calor?o no carnaval de Olinda Que horas acontece o eclipse lunar? Veja horário do fen?meno
好爽别插了无码视频 | jizz国产| 欧美人和黑人牲交网站上线 | 国产精品日韩欧美一区二区三区 | 国产99在线a视频 | 农村黄a三级三级三级 | 色多多成人版污污网站APP大全 | 大香线蕉97久久 | 午夜色网| 国产永久精品大片wwwApp | 真人性做爰无遮A片在线 | 欧美丰满熟妇无码XOXOXO | 亚洲A片无码一区二区三区公司 | 日韩色影院| 久久久乱码精品亚洲日韩 | 少妇高潮惨叫久久久久久欧美 | 好涨好爽好大视频免费 | 漂亮的保姆7日本在线播放 漂亮人妻被公日日躁国产 漂亮人妻洗澡被公强欧美精品无码 | 亚洲A片无码成人精品区 | 2020国自产拍精品天天更新 | 美女伊人 | 国产伦精品一区二区三区免费 | 日韩高清影片免费播放 | 永久免费看成人A片在线播放 | 亚洲免费三区 | 免费看高视频hh网站免费 | 日本高清视频色视频免费 | 免费视频在线观看网站 | 国产熟睡乱子伦视频在线播放 | 久久一级视频 | 国产精品久久久久久久久动漫 | 亚洲AV怡红院AV男人的天堂 | 国产高清精品入口91 | 深爱激情五月网 | 久久99精品视免费看 | 国产精品第一区在线观看 | 在线观看免费情网站大全 | 亚洲免费一区二区 | 真人做爰片免费视频毛片中文 | 国产一区二区不卡老阿姨 | 亚洲视频五区 | 日韩国产午夜一区二区三区 | 日本人jizz| 热の综合热の国产热の潮在线 | 大屁股国产白浆一二区 | 欧美xxxx做受欧美精品 | 无人视频免费观看免费直播 | 精品国产91乱码一区二区三区 | 在线日韩麻豆一区 | 国产精品色拉拉免费看 | 五月婷婷亚洲综合 | 影音先锋影av色资源网 | 最好免费观看高清视频直播小说 | 国产精品色吧国产精品 | 最新中文字幕在线 | 有码一区 | 少妇和黑人老外做爰 | 亚洲 校园 春色 另类 图片 | 欲爱免费观看高清完整版 | 视频在线一区 | 最近的2024中文字幕国语版 小说 | 色悠悠网站 | 我要色播网 | 护士97资源站共享总站 | 久久狠狠丁香婷婷综合 | 精品视频入口 | 婷婷综合亚洲 | 韩日午夜在线资源一区二区 | 再猛点深使劲爽免费视频 | 中文字幕在线有码高清视频 | 精品久久久久久免费影院 | 国产麻豆 | 国产成人综合亚洲动漫在线 | 麻豆视传媒免费版 | 国产三区视频 | 欧美又粗又嫩又黄A片成人 欧美躁天天躁无码中文字 欧美真人性做爰一二区欧美影院 | 国产一级视频播放 | 国产亚洲日韩欧美视频 | 日本人妻A片成人免费看 | 欧美97色 | 日韩电影免费在线观看中文字幕 | 亚洲欧美无人区乱码 | 日韩色情一区二区无码AV | 波多在线播放 | 久久欧美成人A片 | 黄色爱爱网站 | 中文字幕在线不卡视频 | 亚洲AV国产成人精品区三上 | 精品午夜寂寞影院在线观看 | 欧美成人免费做真爱A片 | 香蕉影院在线播放伊人 | 陪读妇乱子伦 | 欧美一区二区日韩一区二区 | 在线观看a级片 | 插插射啊爱视频日A级 | 韩日美无码精品无码 | 波多野结衣三区 | 婷婷射精AV这里只有精品 | J8又粗又硬又大又爽又网站 | youjizz亚洲| 韩国理伦三级做爰在线播放 | 无套内谢孕妇毛片免费看 | 免费国产成人18在线观看 | 黄色一级片免费观看 | 最新亚洲一区二区三区四区 | 又黄又爽吃奶视频在线观看 | 秋霞黄色 | 国产精品久久福利网站app | 幼香阁网站| AV色欲无码人妻中文字幕 | 成人福利热舞hd | 国产偷人妻精品一区 | 国产精品99久久久久久小说 | 成人无码A片视频播放 | 无码激情做A爰片毛片A片蜜桃 | 亚洲 无码 欧美 经典 | www干 | 精品欧美中国福利第一导航 | 欧美一级夜夜爽 | 97久久久亚洲综合久久88 | 无码高潮少妇毛多水多水免费 | 一级毛片免费观看不卡的 | 高清性色生活片免费播放网 | 丁香婷婷综合激情五月色 | 亚洲国产剧情中文视频在线 | 激情夜色 | 五月天婷婷在线视频国产在线 | 19国产精品麻豆免费观看 | 色猫咪导航 | 国产精品久久久久久久免费A片 | 色播在线播放 | 亚洲欧美激情精品一区二区 | 亚洲一区二区三区在线播放 | 欧美高清视频一区 | 99视频在线精品免费观看18 | 无码高潮又爽又黄A片软件 无码激情做A爰片毛片A片日本 | 大胸年轻继坶2韩伦影院 | 丁香五月亚洲中文字幕 | 天天摸夜夜添夜夜添A片小说 | 日韩不卡在线视频 | 天天射天天干天天操 | 久久院线 | 日本午夜精品久久久无码 | H 调教 红肿 嗯啊 跪趴 | 小视频免费观看在线 | 狼人青草久久网尹人 | 国语普通话对白CHINESE | 国产嫖妓一区二区三区无码 | 丁香人妻小说 | 最近免费中文字幕完整5 | 伊人大香线蕉影院 | 99精品久久久久久久 | 2018高清一日本道国产 | 日本午夜高清视频 | 添bbb免费观看高清视频 | 亚洲区中文字幕在线不卡电影 | 国产精品自在拍在线播放 | 日韩内射美女人妻一区二区三区 | 少妇寂寞找男按摩师性M | 乱人妻人伦中文字幕 | 一区二区三区波多野结衣 | 算你色永久免费视频播放 | 伦 乱真实故事 | 日本三级在免费2017 | www.婷婷色| 高清3d肉蒲团 | 中文字幕在线免费 | 蝌蚪久热精品视频在线观看 | 日日躁夜夜躁狠狠久久AV | 黄页在线观看免费 | 肉蒲团dvd| 天天综合网久久 | 又污又黄又无遮挡的网站国产 | 亚洲人午夜射精精品日韩 | 色琪琪av男人的天堂 | 少妇又色又爽又紧的A片 | 亚瑟电影在线观看免费国语 | 成人性化生活视频 | 欧亚乱熟女一区二区在线 | A片太大太长太深好爽A片视频 | 99国模沟沟茂密的黑森林 | 91情侣在线 | 大陆一级毛片免费高清 | 色之综合天天综合色天天棕色 | 人人爱夜夜爽日日做视频 | 精品国产中文字幕在线视频 | 全黄H全肉边做边吃奶NP | 国产97人妻人人做人碰人人爽 | 尤物网站永久点击进入 | 黄A无码片内射无码视频 | 丰满老熟女白浆直流 | 亚洲欧美高清无码专区 | 日韩网红少妇无码视频香港 | 亚洲精品中文字幕无码A片蜜桃 | 天堂在线中文网 | 欧美特黄一区二区三区 | 亚洲电影天堂av2024 | 国产精品成人嫩妇 | 亚洲精品国产成人无码区A片 | 色视频网站在线观看 | 国产精品乱码色情一区二区视频 | 无人区1在线观看 | 免费国产精品视频在线 | 免费国产视频 | 中文字幕亚洲乱码熟女在线萌芽 | 干在线视频| 一本色道在线久88在线观看片 | 亚洲清色 | 男女生性毛片免费观看 | 最色影院 | 国产高清在线露脸一区 | 荡公乱妇第1章方情公憩系列大 | 美国三级网站 | 色网站在线播放 | 欧美最猛性xxxxx亚洲精品 | 色综合久久婷婷天天 | 国产精品你懂得 | 国产午精品午夜福利757视频播放 | 永久免费看MV网站入口亚洲 | 色.www| 国产AV一区二区三区人妻 | 日本护士做xxxxx视频 | 天美传媒国产剧影视公司 | 美国一级毛片在线观看 | 久久婷婷激情综合中文字幕 | 2018天天拍拍天天爽视频 | 又湿又深又爽的A片视频 | 中文字幕 一区 婷婷 在线 | 少妇VIDES裸体BBWWHD | 欧美MV日韩MV国产网站 | 日本韩国欧美在线观看 | 激情综合激情五月 | 影音先锋男人资源 站 | 欧美性xx18一19 | 日本毛片的免费高清视频 | 精品人妻无码一区二区三区狼群 | 日本内射精品一区二区视频 | 成人污片| 嘟嘟嘟WWW日本视频在线 | 亚州日韩精品AV片无码中文 | 日本精品无码久久久久三级国产 | 免费一级国产生活片 | 夜夜操狠狠操 | 国产麻豆精选AV | 伧理片午夜伧理片毛片日本 | 青青久在线视频免费观看 | 99国内精品久久久久久久 | 国产又粗又大又爽的A片精华液 | 欧美另类视频在线 | 国产欧美一区二区日本加勒比 | 美国毛片基地a级e片 | 久久精品视频在线直播6 | 老师的丰满大乳奶水在线观看 | 国语熟妇乱人乱A片久久 | 国产又爽又大又黄A片 | 人妻无码AV中文系统久久免费 | 亚洲精品国偷拍电影自产在线 | 日韩一区二区三区精品 | 蜜臀AV久久国产午夜福利软件 | 亚洲日本无码一区二区三区四区卡 | 中文线码中文高清播放中 | 影帝做着做着进去了H | 日韩精品专区在线影院重磅 | 哪里能看毛片 | 扣扣影视在线 | 日韩福利在线 | 欧美一级网 | 久久国产精品一国产精品金尊 | A片高潮抽搐揉捏奶头视频在线看 | 久久一级视频 | 日日噜噜夜夜狠狠tv视频免费 | 伊人大蕉综合网站亚洲最大 | 色婷婷精品免费视频 | 久久国产精品二区99 | 国产精品色情一区二区三区 | 麻豆一区产品精品蜜桃的广告语 | 成人国产精品免费视频 | 久操精品视频 | 亚洲激情中文字幕 | 日本亚洲免费 | 乱护士肉合集乱500篇 | 欧美色图天堂网 | 在线色小说| 无码精品一二三四区A片 | 国产男女猛烈视频在线观看 | 911亚洲国产自产 | 韩国中文全部三级伦在线观看中文 | 亚洲色精品一区二区三A片 亚洲三级无码经典三级 | 福利视频在线4 | 亚洲第一页乱 | 亚洲午夜无码毛片AV久久 | 中文一卡二卡三卡四卡免费 | bl肉文推荐失禁 | 禁欲总裁被C呻吟双腿大张 禁止的爱6浴室吃奶中文字幕 | 粉嫩AV久久一区二区三区 | 影音先锋2017av天堂 | 久久国产精品免费看 | 狠狠干很很操 | 亚洲国产精品无码AV久久久 | AV午夜午夜快憣免费观看 | 中文字幕不卡一区二区三区 | 精品久久日产国产一二三区 | 婷婷色国产 | 久久久久久久久久久久久久久久久久久久 | 最近中文字幕完整视频高清 | 色综合激情 | 性久久久久久久久 | 福利一二三区 | 正在播放久久 | 一级毛片在线免费视频 | 色欲天天天综合网 | 99成人在线视频 | 国产一区二区在线播放 | 亚色九九九全国免费视频 | 婷婷色播电影 | 国产免费91| 国产精品久久久久久久上海公司 | 美妇吞吐粗长撞击迎合 | 五月婷婷之综合缴情 | 丰满少妇69激情啪啪无码 | 少妇AV射精精品蜜桃专区 | 日日摸夜夜添夜夜添高潮免费A片 | 免费特黄一区二区三区视频一 | 最近最新中文字幕2018中文字幕mv | 黄页免费在线看 | 日韩免费精品视频 | 黄网站免费在线观看 | 国产午夜永久福利视频在线观看 | 在线视频久久只有精品第一日韩 | 色久视频| 天堂资源在线中文 | 欧美性A片又大又长 | 香蕉综合视频 | 天天看片天天干 | 插的痛的视频一卡二卡三卡 | 97成人碰碰在线人妻少妇 | 中文乱码字慕人妻熟女人妻 | 国产精品系列在线观看 | 国产又黄又爽又猛免费app | 78av| 抖音无限次短视频老司机APP | 福利在线国产 | 戳女人屁股流水羞羞漫画 | 国产成人亚洲综合91精品555 | 刮伦欲罢不能 | 国色天香精品一卡二卡三卡四卡 | 抖阴成人版 | 91最新91精品91蝌蚪 | 五月天婷婷激情网 | 久久国产精品99久久久久久老狼 | 国产毛片精品一区二区色欲 | 日本一区二区三区免费A片 日本一区色情无码视频在线观看 | 国产亚洲玖玖玖在线观看 | 香蕉人妻AV久久久久天天 | 免费高清在线观看a网站 | 日韩熟女精品一区二区三区 | 看全色黄大色黄大片爽一次 | 秋霞影音先锋一区二区 | 久久精品国产亚洲AV成人 | 99精品免费久久久久久久久日本 | 亚洲欧美日韩中文综合v日本 | 成人黄性视频 | 老外毛片 | bl全肉np双性受 | 日韩一卡2卡3卡4卡乱码免费 | 久久这里只有精品1 | 中文字幕按摩做爰 | 久久免费视频在线观看6 | 亚洲天天网综合自拍图片专区 | 八匹狼影院 | 成人免费www在线高清观看 | 四虎影在线在永久观看 | 高清一级毛片一本到免费观看 | 国产精品99AV在线观看 | 奇米久久久 | 国产无遮挡又黄又爽又色 | 韩国青草视频 | 中文字幕在线观看不卡 | 午夜视频福利在线观看 | 亚洲精品不卡久久久久久 | 狠狠干天天干 | 总有一天在线完整免费观看 | 日本不卡在线观看免费v | 久久蝌蚪| 亚洲精品国产精品国自产小说 | 最新影音先锋av资源台 | 一级做a爰片性色毛片16美国 | 成人教育av| 国产精品美女乱子伦高潮 | 在线观看v片免费视频 | 91在线视频导航 | 成人亚洲欧美日韩在线观看 | 人妻体内射精一区二区三四 | 中国老太婆bbwhd | 最近中文字幕完整版2019免费 | 四房色播网址 | 91亚洲精品福利在线播放 | 亚洲综合网国产福利精品一区 | 色情婷婷综合乱埥亚洲 | 久久成人18免费网站 | 午夜福利理论片高清在线 | 图片区 日韩 欧美 亚洲 | 国产乱妇乱子在线播视频播放网站 | 九九久久久久午夜精选 | 亚洲 欧美 国产 日韩 中文字幕 | 老色哥68vvv 狠狠 | 日韩国产欧美一区二区三区 | 久久精品99 | 波多野结衣在线家庭教师 | 色综合伊人色综合网站 | 最近更新中文字幕大全免费 | 久久ww| 九九热在线视频观看这里只有精品 | 欧美色爱综合 | 色综合久久91 | 99久久99久久精品免费看子伦 | 亚洲视频在线一区二区三区 | 国产成人精品一区 | 2022日韩欧美国国产AV | 国内精品久久久久久久999下 | 国产又粗又黄又爽的A片小说 | 级R片内射在线视频播放 | 黄色网在线免费观看 | 国产高清亚洲日韩字幕一区 | 免费无码毛片一区二区A片 免费无码精品黄AV电影 | 特级淫片aaaaa片毛片 | 天堂在线视频精品 | 3d动漫精品一区视频在线观看 | 少妇性BBB搡BBB爽爽爽小说 | 男人站影音先锋男人站 | 天天成人 | 亚洲熟妇无码乱子AV电影 | 无码中文字幕免费一区二区蜜桃 | 亚洲自偷自拍另类图区 | 伊人快播| 国产精品日本欧美一区二区 | 97色伦图片97综合影院久久 | 男人舔女人的阴部黄色骚虎视频 | 日韩色网 | 性色欲情网站IWWW九文堂 | HEZYO加勒比 一本高手机在线 | 成年18网站免费视频网站 | 一本色道久久爱88AV | 水蜜桃视频在线播放下载 | 精品久久久无码人妻中文字幕边打电话 | 老黄网站在线观看免费 | 免费做A爰片久久毛片A片 | 国产免费一级视频 | 偷看农村女人做爰毛片色 | 亚洲丰满爆乳熟女在线观看 | 最近高清中文字幕无吗免费看 | 海角国精产品一区一区三区糖心 | 国产精品久AAAAA片 | 久久综合亚洲精品一区二区 | 蜜臀亚洲AV永久无码精品老司机 | 亚洲一区二区三区成人 | 97亚洲熟妇自偷自拍另类图片 | 午夜一区欧美二区高清三区 | 无限看视频在线看 | 98色精品视频在线 | 韩国三级欧美三级国产三级 | 中国电影网 | 国产色婷婷精品综合在线观看 | 免费在线不卡视频 | 乖女H文纯肉芊芊 | 毛片TV网站无套内射TV网站 | 日本久久黄色 | 人妻满熟妇AV无码区国产 | 欧美精品一卡二卡 | 少妇高清精品毛片在线视频 | 国产毛A片久久久久久无码 国产麻豆一级在线观看 | 亚洲欧美人成网站综合在线 | 美丽姑娘国语版免费看 | 波多野结衣一区二区三区88 | 最近最全中文字幕 | 泷泽萝拉快播在线 | 一级中文字幕乱码免费 | 欧美性猛交AAAA片黑人 | 久久无码人妻中文国产AV | 水密桃网站 | 色网综合 | 日本H无码黄肉动漫后宫 | 久99久热只有精品国产男同 | 台湾hd性xxx| 韩国三级日本三级香港三级 | 欧美一区二区在线免费观看 | 亚洲 日韩 另类 天天更新 | 吉泽明步高清无码中文 | www自拍| 国产午夜精品美女视频在线 | 国产精品186在线观看在线播放 | 色爱综合网| 高清国产一级精品毛片基地 | 一级毛片视频在线 | 99热只有这里有精品 | 亚洲精品乱码久久久久久日本麻豆 | 狠狠干干干 | 免费日b视频| 久久AV无码乱码A片无码波多 | 51国偷自产一区二区三区 | 亚洲卡二卡三乱码新区 | 免费黄色电影观看 | 精品国产人妻一区二区三区久久 | 色欲国产麻豆一精品一AV一免费 | 单县伦理影院 | 亚洲伊人色综合久久天天伊人 | 精品国产美女AV久久久久 | 情侣摸抱揉捏吃奶的影院 | 日韩一区二区在线免费观看 | 亚洲精品久久久WWW游戏好玩 | 国产在线观看免费视频软件 | 中文乱码字幕无线观看2024 | 国产69精品久久久久乱码 | 嗯真s啊快点c | 国产精品毛片在线更新 | 热门电影在线观看 | 自偷自拍亚洲欧美清纯唯美 | 日本jizz视频 | 国产在线不卡一区 | 樱井莉亚百度影音 | 亚洲黄色免费 | 狠狠操天天射 | 色网址之家123 | 99爱在线精品视频免费观看9 | 在线不卡日本v二区 | 忘忧草WWW大地行情网 | 无遮挡很爽很污很黄的网站 | 国产玖玖| 黄色日本网站 | 爱的尸检报告 | 精品欧美亚洲韩国日本久久 | 久久人人澡 | 亚洲午夜无码毛片AV久久久久久 | 国产AV精品一区二区三区小说 | 日本成人性视频 | 国产亚洲AV综合一区二区A片 | 毛片在线观看地址 | 99re在线观看 | 亚洲春黄在线观看 | 黄AV国产永久免费网站 | 精品国产一区二区三区四区在线看 | 国产一卡2卡3卡4卡精品 | 国产精品婷婷五月久久久久 | 黄色免费看片网站 | qovd伦理电影 | 亚洲AV成人天堂影院 | 3D肉蒲团之极乐宝鉴8K影院 | 婷婷激情综合网 | 日本高清视频在线的 | 浪货嗯啊趴下NP粗口黄暴 | 亚洲精品无码成人A片在 | 亚洲天堂网在线视频 | 国产精品免费久久久久影院 | 老司机午夜剧场 | 黄色网页在线免费观看 | 韩国伦理电影免费着在线 | 色在线视频免费观看视频 | 久久精品麻豆日日躁夜夜躁 | 亚洲人成77777A片张津瑜 | 男人一边吃奶一边做爰免费视频 | 国产高清精品软件丝瓜软件 | 久青草国产免费观看 | 国产一级一级一级成人毛片 | 日本高清色本在线www游戏 | 欧美AAAA片免费播放观看 | 成人片毛片AAA片免费 | 精品国产一区二区三区四区在线看 | 国产成人精品久久 | 宅男色影视亚洲人在线 | 亚洲AV久久无码精品九九软件 | 国产一级αv片免费观看 | 99r8这是只有精品视频9 | 自偷自拍三级全三级视频 | 精品久久久久久 | 久久99国产精品成人 | 99er久久国产精品在线 | 在线看黄色的网站 | 少妇被躁爽到高潮无码久久 | 色久久一个色综合在线 | 久久久网久久久久合久久久久 | 我爱我色成人网 | 色插图午夜影院 | 大地影院日本韩国电影免费观看 | 久久综合九色综合97免费下载 | 日韩欧美一区二区三区 | 曰本人做爰又黄又粗视频 | 波多野办公室激情A片 | 亚洲日本香蕉视频观看视频 | 成人亚洲区无码偷拍 | 波多野结衣中文字幕一区二区 | 日韩在线一区二区三区视频 | 2024最新国产自产精品 | 九九久久看少妇高潮A片特黄 | 国产精选免费视频 | 潮吹美人鱼 | 东京干男人 | 女人一级毛片免费观看 | 欧美黑人巨大精品videos一 | 国产精品一区在线观看你懂的 | 免费h片 | 天天av天天翘天天综合网 | 黑人xxxx性hd极品 | 日韩黄色一级片 | 亚洲伦理网站 | 香港日本韩国三级 | 欧美黄片 | 日本一本二本三区免费免费高清 | 青青久在线视频免费视频 | 四房播播开心五月 | 五月天婷婷激情视频 | v片免费看| 欧美乱妇日本无乱码特黄大片 | 国产人妻一区二区三区色戒乐 | 国产午夜爽爽窝窝在线观看 | 波多野结衣免费在线播放 | 欧美一区网站 | 日本一区二区三区在线观看网站 | 欧美国产综合日韩一区二区 | 蜜桃AV亚洲第一区二区 | 成人黄色免费在线观看 | 日本一区二区三区在线看 | 国产在线一区观看 | 看三级网站 | 亚洲熟女乱色综合亚洲小说 | 出轨的女人完整版 | 色情A片做爰片 | 国产人妻一区二区三区色戒乐 | 国产免费又黄又爽又色的小说 | 国产美女裸露无遮挡双奶A片游戏 | 被黑人伦流澡到高潮HNP动漫 | 男人一边吃奶一边做爰免费视频 | 奇米四色视频 | 小黄鸭app下载安装无限看丝瓜安卓苏州 | 歪歪女主播不雅视频 | 日本高清免费中文字幕不卡 | 色欲AV国产精品一区二区 | 九一果冻传媒制片入口 | 91综合在线视频 | 天天噜夜夜操 | 欧美日韩另类在线 | 当着闺蜜的面被抽插后入小说 | 日本无码精油按摩WWW视频 | 亚洲天堂网站在线 | 诱含整夜不拔h1v1 | 三级中文字幕 | 忘忧草社区在线日本韩国电影 | 黄色国产在线 | xvideos永久免费入口 | 国产欧美日韩综合精品一区二区 | 黄色三级视频在线观看 | 日韩欧美一二三区 | 天美 麻豆 果冻 | 狠狠色丁香久久综合五月 | 欧美变态老妇重口与另类 | 大香线蕉伊人久久爱 | 欲妇荡岳丰满少妇A片 | 孤零飘落燕 下载 | 日韩亚洲视频 | 色情狠久久AV五月综合五月 | 深爱五月婷婷 | 自拍视频一区二区 | 亚洲国产女人aaa毛片在线 | 美国巨根 | 日韩娇小性hd | 日本高清色本免费现在观看 | 午夜福利18禁视频 | 中文字幕在线观看亚洲视频 | 免费一级毛片私人影院a行 免费一区二区三区无码A片 | 我要看WWW免费看插插视频 | 人人看人人澡 | 成人免费va视频 | 69看片| 大胸年轻继坶2韩伦影院 | 色网视频在线观看 | 日韩有码在线观看 | 久操热| 午夜福利影院私人爽 | 51成人网| 国产激情视频在线观看首页 | 最美情侣中文第4季 | 国产极品JK白丝喷白浆羞羞 | 视频色www永久免费 视频黄页在线观看 | 一个人免费完整在线观看日本 | 无码一区国产欧美在线资源 | 波多野结衣在线中文 | 久久精品国产99久久99久久久 | 中国一级毛片视频免费看 | 四虎影视成人永久免费观看视频 | 特黄a大片免费视频 | a级精品国产片在线观看 | 重返20岁 下载 | 婷婷午夜天 | 亚洲精品久久一区二区三区2024 | 中文国产成人精品久久久 | 韩国伦理片国语伦理片 | 日本私人vps高清在线观看 | 狠狠色丁香婷婷综合激情 | 成人色网| 日本免费视频一区一区 | 亚洲日产韩国一二三四区 | 欧美又粗又深又猛又爽A片 欧美又粗又长A片XXOO在线看 | 欧美一曲二曲三曲的 | 精品中文字幕一区在线 | 国产欧美成人一区二区A片 国产女人乱人伦精品一区二区 | xvideos永久免费入口 | 麻豆精品一卡2卡三卡4卡免费观看 | 日韩精品成人 | 久久草免费线看线看2 | 国产老师开裆丝袜喷水漫画 | 免费观看一级成人毛片软件 | 日本无码熟妇人妻在线视频免费看 | 闷骚影院 | 人妻AV久久一区波多野结衣 | 朋友的人妻的滋味BD中文 | 好男人www在线社区影院 | 日本黄色网址大全 | 成人福利在线观看免费视频 | 国内久久久久影院精品 | 亚洲欧美日韩综合影院 | 黑人xxxx性hd极品 | 免费无码无遮挡永久色情聊天下载 | 99SE久久爱五月天婷婷 | 日日噜噜夜夜狠狠扒开双腿 | 青草青草久热国产精品 | 亚洲A片20247KKKKK | 老妇的两片 肉唇 翻进翻出 | 玖操在线| 免费观看又色又爽又黄的小说一 | 国产精品久久人妻互换毛片 | 国产一级一片免费播放刺激 | 欧美丰满熟妇BBB久久久 | 久久精品视频在线看 | 日本不卡高清免费v日本 | 亚洲 欧美 日韩 国产 视频 | 午夜福利看757 | 亚洲欧美一区二区三区导航 | 国产成人精品综合久久久 | 四虎国产精品永久一区高清 | 黑人粗长大战亚洲女 | 三级黃色男人的天堂 | 国产精品27页| 在线观看亚洲欧美视频免费 | 国产乱码精品一品二品 | 色欲AV亚洲AV永久精品 | 天天操夜夜拍 | 亚1州区2区3区产品乱码站 | 欧美成在线播放 | 亚洲午夜片 | 中餐厅第五季 | 大尺度一级毛片波多野结衣 | 果冻传媒91制品厂 | 又污又黄又无遮挡的网站国产 | 91网站免费观看 | 欧美日韩在线观看区一二 | 三级免费网站 | 乱爱妇乱子伦精品 | 最近最新中文字幕大全免费版下载 | 欧美精品在线观看视频 | 麻豆精品一卡2卡三卡4卡免费观看 | 亚洲精品在线免费 | 亚洲A片无码精品毛片色戒 亚洲A片无码精品毛片 | 99爱视频精品免视看 | 色点的小说| 最近最新中文字幕免费高清1 | 婷婷四月开心色房播播网 | 少妇愉情理伦片丰满丰满午夜小说 | 亚洲精品无码成人A片在线小说 | 中文字幕免费在线 | 四虎无码永久在线影库网址一个人 | 欧美一级第一免费高清 | 2022年国产精品久久久久 | 影音先锋中文字幕无码资源站 | 欧美视频日韩视频 | 五月天激情小说 | 亚瑟视频在线观看 | 亚洲 欧美 日韩在线一区 | 操综合网| 人妻精品人妻无码一区二区三区 | 性色欲情网站IWWW | 快点使劲舒服爽还要高清 | 国产成人精品无缓存在线播放 | 国精产品99永久中国有限公司 | 潮吹美人鱼 | 大色影院 | 少妇高潮A视频 | 青青草在9线观看 | 欧美成人精品第一区 | 日韩一级视频在线观看播放 | 久久久免费的精品 | 中文字幕在线看 | 波多野结衣中文字幕一区二区 | 涩情图片网 | jul-179在线中文字幕 | 最新黄色网址在线观看 | 国产18禁黄网站免费观看 | 一区二区视频传媒有限公司 | 狠狠撸新网站 | 国产在线是视频有精品 | 国产成人无码视频一区二区三区 |