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

ponto quente

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

egjn

13 Oct 2025(atualizado 13/10/2025 às 02h56)

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

Temas

Compartilhe

Indústria tem crescimento em 2025 pelo setor extrativo'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 cassino bankits 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

Yorkshire_Water_given_drought_permits_to_conserve_reservoir_water.txt

g1 Ouviu #308 - Michel Teló: a trajetória desde o hit mundial até a aposta do batid?o sertanejo no rock enciclopédia e os enciclopédia lazer.

GRáFICOS

nos eixos

Your lungs hold secrets about your health as you age – here's a simple test to check them.txt

Modelo italiano estreará como ator no Brasil em série do Globoplay ponto quente e os conhecimento lazer.

Navegue por temas

Por que o WEC se tornou uma das categorias mais técnicas do automobilismo mundial, com Diego Borges Mercado jurídico brasileiro reflete cenário internacional Indústria tem crescimento em 2025 pelo setor extrativo Jackson Antunes e Eucir de Souza ser?o irm?os criminosos em filme da HBO Max. Veja quem mais está no elenco Como pesquisar e escolher candidatos? Descubra com Pe. Jose Eduardo de Oliveira e Silva como a Eucaristia pode renovar seu relacionamento com Deus g1 Ouviu #301 – Brenno e Matheus: o sucesso de 'Descer pra BC' Como as pesquisas eleitorais s?o feitas? Dupla Anavitória diz n?o gostar da fama de 'fofas': 'A gente também tem outras coisas' Cresce interesse por estratégias naturais para dormir bem
国产视频一二三区 | 色播五月www 222uk | 日本黄色不卡视频 | 欧美大成色www永久网站婷 | 校园激情人妻古典武侠 | 九九99亚洲精品久久久久 | 日本亚洲欧洲色情 | 亚洲欧洲视频一区 | 亚洲精品偷拍的自拍的 | 桃色AV久久无码线观看 | 中文字幕三级在线不卡 | 精品久久久久久久一区二区伦理 | 亚洲最大日夜无码中文字幕 | 五月丁香合缴情网 | 亚洲va欧美va| 91黄| 男女午夜精华液 | 欧美深夜福利网站在线观看 | 亚洲精品国产综合AV在线观看 | 一女被多男枪H又黄又激烈 一女多男np高辣文h | 四房色播手机版 | 亚洲精品第一页中文字幕 | 天天干天天爽天天操 | 人妻AV中文系列 | 欧美日韩不卡视频一区二区三区 | 2020年最新国产精品正在播放 | 亚洲成A人片在线播放器 | 波多野结衣视频一区二区 | 精品国产美女AV久久久久 | 成人亚洲A片V二区三区久久 | 最近免费高清版电影在线观看 | 班长你轻点灬爽灬宝贝一 | 国产成人久久777777 | 成人午夜爽A片免费视频 | 青草视频免费观看 | AV色欲无码人妻中文字幕 | 狠狠干一区| 夜夜穞天天穞狠狠穞AV美女按摩 | 中文字幕日韩精品有码视频 | 欧美又大又粗AAA片免费看 | 亏亏插曲叫疼的免费的视频 | 99久久国产免费 - 99久久国产免费 | 亚洲精品影院久久久久久 | 人人免费人人看 | 无码中文资源在线播放 | 国产精品国产三级国产专 | 国产高清一级毛片在线不卡 | 天天操天天摸天天曰天天干天天弄天天干 | 免费高清毛片天天看 | 美国毛片毛片全部免费 | 在线免费观看黄色网址 | 99久久国产露脸人妻精品 | 啪啪东北老熟女45分钟 | 亚洲精品久久久久久久久久久 | 丁香婷婷五月情天 | 日韩精品中文字幕高清在线 | 久久99热这里只有精品7 | 日本少妇裸体做爰高潮片 | 欧美性受xxxx黑人xxxx | 99热99re8国产在线播放 | 手机在线看片欧美亚洲 | 国产乱老熟妇吃嫩草 | 国产亚洲精品久久久性色情软件 | 成人在免费观看视频国产 | 最近新免费韩国电影高清 | 亚洲精品无码AAAAAA片 | 久久国产免费观看精品A片 久久国产免费观看精品1 | 18成人片黄网站WWW | 精品久久久久久久久免费影院 | 在线观看黄网视频免费播放 | 久久最新网址 | 午夜宅宅伦电影网中文字幕 | 国产黄色片在线看 | 男女做爰猛烈啪啪吃奶真人免费 | 日日澡| 成熟妇女免费看A片视频 | 篠田步美在线 | 亚洲精品一区二区三区福利 | 高清一区二区不卡视频 | 天堂中文网 | 香蕉97| 波多野结家庭教师 | 日韩成人黄色 | 四虎影在线 永久免费 | 成年男人裸j免费网站 | 中文字幕在线网址 | 国产v片在线观看 | 青青草久热精品视频在线观看 | 亚瑟在线视频免费视频观看 | 久久这里精品青草免费 | 又黄又欲又肉的小说 | 久久综合九色综合狠狠97 | 五月婷婷丁香在线视频 | 国产在线视频精品视频 | 国产老师开裆丝袜喷水漫画 | 亚洲国产熟妇无码一区二区 | 91精品国产高清91久久久久久 | 最近中文字幕在线看免费完整版 | 欧美噜噜噜| 日本无码专区亚洲麻豆 | 日本高清www视频在线观看 | 国产精品波多野结衣 | 一区二区三区在线免费视频 | 一区二区三区高清不卡 | 亚洲一区二区三区成人 | 欲妇荡岳丰满少妇A片24小时 | 日本三级香港三级乳网址 | 精品国产一区二区三区四区勃大卷 | 成人免费va视频 | 久久精品国产亚洲AV影院 | 美女啪啪网站又黄又免费 | 777奇米四色米奇影院在线播放 | 精品国产a | 免费无码毛片一区二区三区A片 | 亚洲 欧美 唯美 国产 伦 综合 | 欧美精品无码一区二区三区老鸭窝 | caoporn 超频在线视频 | 日韩人妻熟女中文字幕 | 国产又爽又大又黄A片 | 亚洲成人福利网站 | 三级黄毛片| 爆乳隔壁人妻中文字幕 | 精品欧美一区二区三区四区 | 97精品在线观看 | 高清成人综合 | 18禁无遮挡羞羞污污污污免费 | 日本丰满大乳人妻无码 | 国产免费人妻一区二区三区 | 2024琪琪午夜理论电影网 | 高清一区二区三区 | 亚洲欧美日韩国产一区图片 | 亚洲色贴图 | YELLOW字幕中文字幕免费 | 亚洲伦理在线观看 | 中国人电影网 | 波多野结衣在线观看网址 | 一级全黄毛片 | 国产精品久久久久国产精品三级 | 国产人妻人伦AV又粗又一长 | 欧美激情在线一区二区三区 | 亚洲AV色情偷拍精品 | 亚洲丰满爆乳熟女在线观看 | 国产精品爽爽va在线观看无码 | 日韩视频大全 | 麻豆一区二区免费播放网站 | 欧美视频综合 | 八先锋资源 8xfzy.com | 品色永久免费堂 | 国产免费A片好硬好爽好深小说 | 欧美一区二区三区四区在线观看 | 国内精品不卡一区二区三区 | 天天爱天天操天天干 | 97综合久久 | 欧美女同视频激情 | 国内自拍视频在线观看 | 日本高清不卡中文字幕视频 | 国产黄色a三级三级三级 | 欧美综合区自拍亚洲综合图 | 国产精品永久免费视频观看 | 蜜桃视频极品免费观看 | 成人无码区免费A片在线软件 | 奇米四色在线视频 | 亚洲午夜精品在线 | 日日撸.com | 开心四房色播网 | WWW亚洲精品久久久 www在线小视频免费 | 强被迫伦姧惨叫小说 | 999插插插 | 亚洲丰满熟女一区二区蜜桃 | 少妇被躁爽到呻吟全过的小说 | 天堂√在线官网 | 亚洲va欧美va国产综合下载 | 99久久久精品免费观看国产 | 亚洲精品久久久AV无码专区 | 人民的名义 未删减版 | 亚洲国产天堂久久综合226 | 清扫魔| 日本欧美大码aⅴ在线播放 日本欧美不卡一区二区三区在线 | 欧洲色情三级欧美三级视频 | 最近韩国中文字幕更新 | 肉体裸交丰满丰满少妇在线观看 | 国产真实老熟女无套内射 | 亚洲欧美日韩国产制服另类 | 东京热无码中文字幕av专区 | 国产午夜精品福利 | 免费xxxx | 乱子轮视频在线看 | 欧美成人在线网站 | 88av网| 顶级少妇倣爱A片XXX | 日本人妻仑乱少妇A级毛片潘金莲 | 巨大黑人极品videos中国 | 内射女校花一区二区三区 | jizzjizz日本老师 | 国产AV精品一区二区三区小说 | 亚洲精品鲁一鲁一区二区三区 | 亚洲无吗在线视频 | 日本午夜视频 | 一级毛片视频 | 影音先锋第一页 | 在线观看免费网址大全 | 第四色亚洲 | 久久久麻豆 | 96精品视频在线播放免费观看 | 99国产视频| 超级H荡的辣文小说 | 91天堂一区二区 | 日韩高清免费观看 | 99欧美精品 | 97精品一区二区三区在线不卡 | 日本视频一区二区 | 国语乱码中文字幕 | 成人无码A片一区二区三区免费看 | 老牛无码人妻精品1国产 | 日韩经典欧美一区二区三区 | 国产福利在线观看片 | 国精产品一品二品国精在线观看 | 亚洲暴爽AV天天爽日日碰 | 一女多男nP现代高H 一区二区三区好的精华液杨朝越 | 少妇和黑人老外做爰 | 国产欧美日韩视频免费 | 四虎永久免费影院在线 | 9999热 | 色噜噜狠狠色综合欧洲 | 天天看毛片 | 亚洲日本va中文字幕区 | 奇米影视777四色米奇影院 | 午夜视频福利在线观看 | 国产人妻精品无码AV在线浪潮 | 男人天堂网夜色99视频 | 久久久噜噜噜久久久 | 四虎最新紧急更新地址 | 亚洲精品无码一二区A片 | 久re这里只有精品最新地址 | 乱码精品一卡二卡无卡 | 农村真实夫妇屋内自拍视频 | 欧美丰满熟妇BBB久久久 | 日韩ed2k | 六月丁香综合网 | 91精品手机国产在线观 | 亚洲视频在线观看 | 色综合久久五月 | 一区二区三区毛A片特级 | 国产精品人成视频免费999 | 国产黄A三级三级三级AV在线看 | 偷拍自偷 亚洲 欧美20P | 久久久无码精品成人A片小说 | xx顶级欧美熟妞xxhd | 99久久精品毛片免费播放 | 刘可颖AV| 中文字幕简介 | 国产在线观看自拍 | 欧美69式囗交视频 | 国产精品久久福利新婚之夜 | 天天干天天天天 | 欧美老妇毛茸茸二毛 | 老妇毛片久久久久久久久 | 黄色免费在线网址 | 91香蕉视频在线看 | 色情WWW成人片WWW222 | 经典国产乱子伦精品视频 | 国产无遮挡A片又黄又爽小说 | 打开腿闺蜜用黄瓜让我爽 | 精品国产福利一区二区在线 | 免费观看韩国经典的A片 | 四虎影视8848a四虎在线播放 | 天天干天天在线 | 2024人体大胆中国人体 | 天堂网在线最新版www中文网 | 久久久久久97 | 青青久在线视频免费观看 | 国产免费三级a在线观看 | 日本 欧美 在线 高清 | 日本又色又爽又黄又免费网站 | 久一视频在线 | 天天射天天干 | AV无码国产精品午夜A片麻豆 | 五月色婷婷中文开心字幕 | 亚洲日本一期二期三期精华液 | 日韩亚洲欧美中文高清在线 | 韩国伦理电影免费着在线 | 亚洲精品久久久久AV无码 | 黄网站色视频大全免费观看 | 精品一区二区三区在线成人 | 一本-道久久A久久精品综合 | 亚洲一区在线观看无码欧美 | 闺蜜放荡H肉辣文御书屋姜 贵州美女一级纯黄大片 | 亚洲精品一区中文字幕乱码 | 精品国偷拍自产在线观看 | 最新本道高清无码av | 国产美女黄性色A片 | 在线看的成人性视频 | 边做边爱完整版免费视频播放 | 免费黄色资源 | 成人首页| 国产一卡2卡3卡4卡无卡免费视频 | 亚洲人人爱 | 欧美 xxxx18性欧美 | 97视频在线观看视频在线精品 | 亚洲狼人| 国产在线综合视频 | 好爽好多水C死你视频 | 精品国产90后在线观看 | 久久AV国产麻豆HD真实 | 国产日韩最新系 | 永久在线免费 | 青青青国产免费线在 | 亚洲成在人色婷婷 | 成人在线小视频 | 精品一区二区三区的国产在线观看 | www.色妞| 亚洲 欧美 国产 综合网 | 欧美视频在线观看免费最新 | 精品无人区乱码1区2区3区免费 | 成人国产一区 | 书房里的揉弄h | 国精视频一区二区视频 | 亚洲熟妇无码乱子AV电影 | 女警察的奶头又喷奶水小说 | 国产精品一区二区AV交换 | 久re这里只有精品最新地址 | 99视频免费播放 | 国产精品第一综合首页 | 精品黑人一区二区三区久久 | 国产精品主播在线高清不卡 | 超级H荡的辣文小说 | 又色又爽又高潮免费观看 | 欧美一级欧美一级在线播放 | 在线看片av免费观看 | 久久综合亚洲精品一区二区 | 色宅男午夜电影网站 | 国产手机在线国内精品 | 国产欧美日韩三级 | 久久久99精品 | 中文人妻AV久久人妻水蜜桃 | 日韩黄色网页 | 免费黄色一级片 | 激情丁香小说 | np文超级肉一女多男(H) | 精品国偷拍自产在线观看 | 漂亮的丰年轻的继坶3在线观看 | 在线看91 | 天天操综合视频 | 久久久久久久999 | 国产成人深夜福利在线观看 | 国产寡妇性视频 | 精品交小说合集500篇 | 亚洲国产日韩欧美高清片a 亚洲国产日韩精品一区二区三区 | 欧美色欧美亚洲另类二区 | 玖玖精品视频 | 口工里番h本无遮拦全彩 | 国产成人AV在线播放影院 | 中文字幕乱偷无码AV蜜桃 | 欧美XXXX三人交性A片 | 黄页网站在线免费观看 | 欧美乱xxxxx| 国产高潮呻吟无码精品AV | freev de0x x性欧美12 | 自由夫人在线观看 | 国产AV亚洲一区精午夜麻豆 | 波多野结衣办公室在线观看 | 亚洲熟妇AV乱码在线观看 | 国产日韩欧美另类重口在线观看 | 黄色网战在线观看 | 日韩国产无矿砖一线二线图 | 无码日韩精品一区二区免费 | 亚洲a级大片 | 日韩免费观看一级毛片看看 | 福利视频入口 | 欧美高清视频www夜色资源网 | 韩国视频一区 | 亚洲免费视频在线 | jizz老师| 精品一卡2卡三卡4卡乱码精品视频 | 激情影院在线 | 九九热在线视频观看这里只有精品 | 成年网站在线观看播放 | 99国产亚洲精品久久久久久 | 精品视频2024在线视频 | 日韩性插 | 国产系列视频二区 | 在线亚洲中文精品第1页 | 国产AA久久大片日本无码 | 日本无码人妻一区二区免 | 激情综合欧美 | 国产一级视频在线观看网站 | 久久热视频精品店99 | 欧美亚洲另类丝袜自拍动漫 | 午夜小电影成人福利片 | 一区二区三区无码高清视频 | 亚洲精品午夜久久久伊人 | 日韩无码一道v | 影音先锋最新av资源库 | 国产高清毛片 | 麻豆映画传媒新剧免费观看 | 国产福利91精品一区二区三区 | www.中文字幕 | 成人免费观看网欧美片 | 成年黄网站在线观看免费 | www伊人网| 精品国产乱码久久久久久浪潮小说 | 97在线精品 | 国产又粗又长又硬又猛A片 国产又大又粗又硬的A片 | 久久精品视在线看1 | 欧美日韩国产另类一区二区三区 | 国语对白一区二区三区 | 波多野吉衣在线视频 | 欧美综合社区 | 果冻传媒和91制片厂 | 伊人大蕉综合网站亚洲最大 | 91网在线 | 老司机午夜免费福利 | 久久久这里只有免费精品2018 | 女人做爰高潮呻吟17分钟 | 美女露出尿口让男人揉动态图网站 | 免费看男人J放进女人J无遮掩 | 国内精品一区无码中文在线 | 午夜理论在线观看不卡大地影院 | 国产婷婷色一区二区三区在线 | 国产乱对白刺激视频 | 国师受被肉到失禁各种PLAY | 亚洲日本一期二期三期精华液 | 亚洲熟女片嫩草影院 | 色多多深夜福利免费观看 | 校花被扒衣吸乳羞羞漫画 | 国内精品免费 | 精品一卡2卡三卡4卡乱码免费 | 国产成人精品福利网站在线观看 | 精品国产三级a | 国产精品成人久久久久 | 伦理片韩国免观看 | 欧美日韩中文在线字幕视频 | 校花被折磨到下体流水 | 成人免费福利网站在线看 | 成人做爰WWW免费看视频韩国 | 动漫美女的巨乳被揉胸 | 99re 久久这里只有精品6 | 九九操视频 | 欧美69久成人做爰视频 | 中文字幕在线视频不卡 | 韩剧无情都市 | 一道本av免费不卡播放 | 最近中文字幕在线中文高清版 | 国产精品人妻久久久久A片-百度 | 欧欧美18videosex性哦欧美美 | 无码国产伦一区二区三区视频 | 欧美黑人巨大性极品hd欧 | 男人把女人桶到喷白浆的软件免费 | 深爱五月综合网 | 超清中文乱码字幕在线观看 | 欧美日韩有码 | 黄色网在线看 | 亚洲性受 | 国产不卡视频在线观看 | 午夜福利18禁视频 | 精品国精品国产自在久国产应用 | 斯大林格勒战役免费高清观看 | 影音先锋中文字幕亚洲资源站 | 欧美精品视 | 髙清国产性猛交XXXAND | 久久久免费精品 | 九九线精品视频 | 日韩精品系列产品 | 强奷漂亮岳的肉欲乱小说 | 欧美youjizz| 亚洲精品久久久久久蜜臀 | 免费看饥渴难耐的少妇软件 | 五月天婷婷视频在线观看 | 一本道色情免费网 | 无码欧美激情性做爰免费 | 无套内射在线无码播放 | 色女人天堂| 熟女人妻-蜜臀AV-首页 | 中文中文在线 | 国产欧美另类久久久精品 | 欧美18videosex性欧美乱任 | 亚洲免费观看视频 | hh99me福利毛片在线看 | 亚洲A片国产AV一区无码 | 一卡二卡三卡四卡无卡在线 | 欧美视频区高清视频播放 | 啊轻点灬大巴太粗太长了动态图 | 欧美日韩一区在线观看 | 久久精品午夜 | 伦理高清百度影音 | 99久久免费看少妇高潮A片特黄 | 伊人久久综合成人网小说 | 中文字幕日韩在线观看 | 亚洲国产AV一区二区三区四区 | 黑巨茎大战美女在线播放 | 国产成人精品午夜免费 | 国产成人精品一区二区三区视频 | 玫瑰之战电视剧免费 | 欧美色图一区二区三区 | 国产福利麻豆精品一区 | 免费国产在线视频 | 免费国产黄网站在线观看动图 | 性久久久久久久久久 | 99热国产这里只有精品9九 | 99久久99久久精品 | 国产欧美亚洲日韩图片 | 亚洲国产成人精品无码区5566 | 国产精品免费一级在线观看 | 中文字幕精品波多野结衣 | 色综合天天综合网国产人 | 国产精品久久久久毛片真精品 | 国产做A爰片久久毛片A片软件 | 波多野结衣家教老师 | 欧美午夜特黄AAAAAA片 | 亚洲高清在线不卡中文字幕网 | 久久五月色婷婷丁香六月综优物 | 日本韩国免费视频在线 | www.亚洲天堂网 | 曰本老头同性xxxxx | 欧美一夜爽爽爽爽爽爽 | 国产精品久久久久久人妻精品A片 | 日韩精品毛片 | 泷泽萝拉2快播 | 亚洲欧美中文无码蝴蝶 | 国产精品一区二区四区 | 好色先生app下载无限看 | 扒开粉嫩小泬舌头伸进去视频 | 亚洲AV怡红院AV男人的天堂 | 在线播放波多野结衣 | 宝贝我想尿在里面h | 深爱五月婷婷 | 国产偷拍一极视频 | 嗯 好深 啊 用力 哦 嗯 啊视频 | 四虎影视影院电影在线 | 国产一起色一起爱 | 天天干夜夜曰 | 又硬又粗进去好爽A片免费多人玩 | 艳妇臀荡乳欲伦岳TXT免费下载 | 美女18禁永久免费观看网站 | 伦理影视| 欧美日韩精品高清一区二区 | 超碰caopro熟女m超碰分类 | 日本在线视频免费观看 | 伊人无码高清 | 久久在精品线影院 | 亚洲国产成人九九综合 | 午夜三级黄色片 | 久久婷婷五月综合色国产 | 欧美又大又粗又湿A片 | 亚洲精品一卡2卡三卡4卡5卡 | 国产精品久久久久久久伊一 | 黄色网页在线免费观看 | 精品一区二区三区的国产在线观看 | 国产黄A片在线观看永久免费麻豆 | 劲爆欧美精品13页 | 国产宾馆自拍 | 无码日本邻居大乳人妻在线看 | 国产极品JK白丝喷白浆免费视频 | 国产亚洲精品久久久无码网站 | 韩国色网| 欧美精品91 | 国产卡一卡二卡3卡4乱码 | 国产99久久久国产精品免费看 | 一女多男两根同时进去TXT | 亚洲精品无码成人A片在线古代 | 日本无码精品一区二区三 | 18出禁止看的啪视频网站 | 狠日日| 男男高H啪肉Np文多攻多一受 | 亚洲天堂免费看 | 美女直播洗澡的软件下载 | 风流少妇又紧又爽又丰满 | 午夜副利电影手机高清在线直播app下载 | 曰本人做爰大片免费观看一 | 成人在线免费电影 | 国产成人亚洲精品影院 | 猛烈顶弄H | 韩国电影甜性涩爱 | 女人脱精光让人桶爽了 | 久久久久国产成人精品 | 免费在线成人电影 | 四色导航 | 精品国产乱码久久久久夜深人妻 | 国产黄色在线看 | 热の中文 AV天堂 | 亚洲综合AV久久国产精品凡士林 | 偷偷色在线 男人天堂 | www.色av.com| 日本最新在线不卡免费视频 | 欧美久久久久久 | 欧美在线观看一区二区 | 成人做爰WWW免费看视频日本 | 欧美一级影院 | 性过程写得很黄很详细的小说 | 久久久A片精品一区二区 | 黑人巨茎大战白人女40CM | 中文字幕A片视频一区二区 中文字幕亚洲乱码熟女在线 | 国产极品JK白丝喷白浆羞羞 | 亚洲国产精华液2024 | 美国BB肥| 亚洲a级在线观看 | 国产激情视频在线 | 妻子的背叛免费看 | 欧美亚洲春色系列 | 精品乱子伦一区二区三区 | 古装无遮挡一级毛片 | 精品视频2024在线视频 | 麻豆一区区三区四区产品麻豆 | 一区二区三区不卡在线观看 | 国产乱子伦在线一区二区 | 午夜影视体验区 | 久久国产精品只做精品 | 香港三级日本三级韩国三级 | 久久久乱码精品亚洲日韩 | 国产做爰又粗又大太疼了 | 四虎影视免费观看免费观看 | 欧美性生交大片免费看A片 欧美性生交大片免费看A片免费 | 欧美日本中文字幕 | 国语对白一区二区三区 | 熟女人妻水多爽中文字幕 | 亚洲卡一卡二卡三乱码公司 | 中文字幕在线视频不卡 | 好爽插我添我BB | 没有废话全色肉的黄文 | 千涩成人网 | 全身无赤裸裸美女 | 理在线 | 内衣秀无打底露了毛 | 波多野结衣手机在线播放 | 2019精品国产品在线18年网 | 亚洲AV无码区在线观看东京热 | 狠狠撸电影 | 亚洲一级在线观看 | 国产国语一级毛片中文 | 丁香综合激情 | XL上司带翻译不打马赛 | 黄色一级小视频 | 在线免费观看波多野结衣 | www.av视频在线观看 | 另类天堂 | 星崎アンリ | 激情明星合成图 | 波多野结衣中文在线观看 | 91产国天堂游戏 | 亚洲乱码国产乱码精华 | 久久综合亚洲精品一区二区 | 天天干天天操天天碰 | 国产AV亚洲精品久久久久 | 再深点舒服灬太大了添A片 在办公室里揉护士的胸 | 深夜爽爽动态图无遮无挡 | 国偷自产AV一区二区三区蜜臀 | 婷婷丁香五月缴情视频 | 久久精品免费全国观看国产 | 亚洲日韩精品欧美一区二区 | 午夜精品视频在线无码 | 免费看成人频视在线视频 | 中文字幕亚洲综久久2021 | 亚洲卡一卡2卡三卡4麻豆 | 亚洲巨乳巨臀在线一区二区BBW | 亚洲黄色网页 | 97人妻熟女成人免费视频 | 国产又粗又猛又爽又黄A片漫画 | 夜夜操夜夜摸 | 999久久狠狠免费精品 | 国产国产东北刺激毛片对白 | 五月色图 | 亚洲一区二区三区色情爆乳 | 成人a毛片免费视频观看 | 亚洲 日韩 国产 制服 在线 | 我看一级黄色片 | 日本免费中文字幕 | 色一情一乱一伦一区二区三区 | 婷婷五月在线视频 | 国产99在线视频 | 求一色站 | 在线不卡日本v二区到六区 在线岛国片免费观看无码 在线高清无码欧美久章草 在线观看 有码 制服 中文 | 播播成人网 | 黄色毛片视频校园交易 | 超碰97人人无马 | 午夜精品网站 | 91精品国产91久久综合 | 人澡人爽精品A片一区 | 最近韩国电影免费看HD免费 | 国产婷婷色综合成人精品 | 天堂在线v | 久久综合九色欧美综合狠狠 | 嫩草影院地址一二三 | 亚洲国产天堂在线观看 | 欧美成人免费观看久久 | 国产一区高清视频 | 国产一级毛片网站 | 自拍 偷拍 亚洲 经典 | 内射后射亚洲国产巨乳 | 别插我B嗯啊视频免费 | 成人18免费入口 | 无码一区二区在线欧洲 | 巨大乳女人做爰视频在线看 | 韩国伦理片国语伦理片 | 欧美一夜爽爽爽爽爽爽 | 天天插夜夜 | 99久久无码一区人妻A片麻豆 | 国产精品久久久久久日本一道 | 请以你的名字呼唤我 电影 请以你的名字呼唤我 | 麻豆精品人妻一区二区三区蜜桃 | 久青草国产视频 | 91美女在线 | 欧美成人免费A片爽爽爽 | 欧美国产在线一区 | 天天曰夜夜操 | 久久99久久精品97久久综合 | 国模大胆一区二区三区 | 97伦理剧| 黄网站免费永久在线观看下载 | 大山里真实刮伦小说 | 午夜成人A片精品视频免费观看 | 国产精自产拍久久久久久蜜 | 被少妇滋润了一夜爽爽爽小说 | 好大好硬好爽18禁视频免费 | www色综合 | 欧美国产日韩一区二区三区 | 日韩一卡2卡3卡4卡无卡免费视频 | 中文无码字慕在线观看 | 久久成人黄色 | 黄色操视频 | 神马影院在线eecss伦理片 | 日韩精品欧美一区二区三区 | 乱码1234区2021| 日本吻胸捏胸激烈床戏视频 | 无码日本大胆XXXX | 亚洲制服丝袜中文字幕 | 美女被C污黄网站免费观看 美女被抽插舔B到哭内射视频免费 | 久精品视频村上里沙 | 国产www在线观看 | 亚洲精品第一区二区APP | 色综合网站国产麻豆 | 色播亚洲 | 日本黄色一级网站 | 国产不卡在线看 | jizz 日本亚洲| 亚洲欧美色综合影院 | 刺激第一页720lu久久 | 热思思久久 | 欧美va天堂va视频va在线 | 兽交XXXXBBBB视频.专区 | 亚洲一区二区三区色情爆乳 | 老司机精品福利在线资源 | 亚洲日韩一页精品发布 | 四虎影视在线观看2024a | 闺蜜放荡H肉辣文御书屋姜 贵州美女一级纯黄大片 | 网站黄色在线观看 | 亚洲 日本 中文字幕 制服 | 中文字幕 在线 欧美 日韩 制服 | 成人无码T髙潮喷水A片小说 | 欧美日韩中文一区二区三区 | 亚洲第一成人无码A片 | 激情综合在线观看 | 美女扒开腿让男人桶爽APP免费看 | 中国一级毛片国产高清 | 精品人妻无码一区二区三区GIF | 麻豆国产一卡二卡三卡不卡 | 日本无码人妻一区二区免费不卡 | 午夜免费片| 久久综合给合久久狠狠狠97色 | 性一交一乱一伦一色一情孩交 | 久久久爱毛片一区二区三区 | 色网在线免费观看 | 99re6在线视频免费精品 | 好久被狂躁A片视频无码免费视频 | 黄色日b视频 | 五月天 丁香 | 欧美又大又黄又粗又长A片 欧美又大又色又爽AAAA片 | 熟女人妻水多爽中文字幕 | 国产精品自拍一区 | www成人| 久草在在线免在线观看视频 | a级伦理片 | 欧美3p精品三区 | 伊人情人综合网 | jizz国产精品网站 | 一个人看的片在线WWW免费中文 | 久久久久久久久亚洲 | free俄罗斯性xxxxhd中文 | 无码免费人妻A片AAA毛 | 挺进去岳就不挣扎了的视频 | 人妻无码一区二区三区欧美熟妇 | 好吊射视频988gaocom | 欧美亚洲啪啪 | 高树玛利亚种子 | 久久国产精品视频 | 久久久久免费精品国产小说 | 亚洲国产五月综合网 | 色片段高清在线 | 99久久国产露脸人妻精品 | 成人在线午夜 | 久久成人永久免费播放 | 九九热视频免费在线观看 | A片放荡少妇高潮喷水小说 A片高潮抽搐揉捏奶头视频 | 国产精品免费视频一区二区三区 | 国产精品久久久久久久久久久搜索 | 一区二区三区在线看 | 日韩AV片无码一区二区三区不卡 | 丝瓜草莓秋葵污WWW旧版安卓 | 精品国产午夜福利在线观看 | 日韩毛片免费线上观看 |