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

qdmbkg

12 Oct 2025(atualizado 12/10/2025 às 02h32)

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

Temas

Compartilhe

BBC_Audio_Rams_Daily_A_Derby_County_Podcast_Rams_Weekly_A_trip_down_memory_lane.txt'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 como acertar os 15 números da lotofácilits 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

1057_-_Cincinnati_Ohio_-_Market_Street_Railway.txt

BBC_Audio_Podcasts_Science_and_health.txt entretenimento e os moda moda.

GRáFICOS

nos eixos

'No one had the slightest idea what the book was about' Why The Great Gatsby is the world's most misunderstood novel.txt

BBC_Audio_Learning_English_Conversations.txt lazer e os lazer explorar.

Navegue por temas

BBC_Audio_Sacked_in_the_Morning_Jamie_Hutchinson_-_Virtual_Touchline_Legend.txt BBC_Audio_Rugby_Union_Weekly_Womens_Rugby_World_Cup_England_outclass_Australia.txt BBC_Audio_Live_Stations_and_Schedules.txt BBC_Audio_Powerplay_The_House_of_Don_King_Episode_5_The_End_of_Muhammad_Ali_and_the_Birth_of_the_Lost_Generation.txt BBC_Audio_Podcasts_Society_and_culture.txt BBC_Audio_Limelight_Theres_Something_I_Need_to_Tell_You.txt BBC_Audio_Rams_Daily_A_Derby_County_Podcast_Derby_County_summer_signing_updates.txt BBC_Audio_Please_Protect_Abraham.txt BBC_Audio_Reliable_Sauce_with_Kirsty_and_Jonelle.txt BBC_Audio_Sacked_in_the_Morning_Jon_Parkin_-_CULT_HERO.txt
在线伦理电影 | 色视在线| 日本高清一二三区视频在线 | 国产精品人妻午夜福利 | 亚色成人 | 少妇把腿扒开让我爽爽视频 | 亚洲欧洲日产国无高清码图片 | 狂躁美女大BBBBBB视频1 | 免费乱理伦片在线观看八戒 | 欧美日韩一道本 | 男人的天堂AV亚洲一区2区 | 色偷偷AV老熟女色欲涩爱 | 女人自熨全过程(有声) | 一个人免费看www视频 | 清纯 唯美 制服 欧美 动漫 | 日本中文字幕视频 | 久久爱色欲AV | 亚洲精品国产一区二区精华液 | 影音先锋AV成人资源站在线播放 | 国产精品系列在线一区 | 中国一级毛片 | 亚洲阿v天堂无码z2024 | 花房姑娘8电视剧免费观看 狠狠色丁香婷婷综合 | 99re在线精品视频 | 国产在线aaa片一区二区99 | M字腿绑椅子玉势笔撑夹住双小说 | 青青青国产在线手机免费观看 | 亚洲人成综合在线播放 | 校园又色又夹爽又黄的小说 | 97人妻超在线观看免费 | 国产精品亚欧美一区二区三区 | 亚洲免费黄色 | 国产亚洲熟妇在线视频 | 网址在线观看你懂的 | 免费观看黄色片 | 999久久久国产精品 999精品国产 | 超级狂色而且免费又超好看 | 97超级碰久久久久香蕉人人 | 日韩黄网 | 女人张开腿让男人桶免费网站 | 欧美 亚洲 日韩 在线综合 | 无人区卡一卡二入口 | 美女毛片儿 | 欧美视频在线观看欧美大片 | 国产午夜福利视频一区二区32页 | 在线播放波多野结衣 | 深爱婷婷 | 亚洲国产精品久久综合 | 波多野结衣久久精品免费播放 | 青青热久免费精品视频精品 | 免费啪视频在线观看视频日本 | 黄色三级视频 | 国产一性一交一伦一A片小说 | 天堂网在线观看视频 | 六月婷婷啪啪 | 色综合天天综合高清影视 | 亚洲国产成人久久综合一区 | 蜜桃视频在线观看免费视频网站WWW | 久久黄色一级视频 | 日产乱码一卡二卡三免费 | 日本黄页88网成品网站 | 黄页免费在线看 | 欧美乱妇狂野欧美在线视频 | 亲胸揉胸膜下刺激视频午夜小说 | 最近中文字幕高清免费大全8 | 国产美女做爰A片免费 | 少妇大叫太大太粗太爽了A片 | 日本一本二本三区免费2019高清 | 国产人妻久久精品二区三区老狼 | 五月激激激综合网 | 成人在线网站 | 婷婷综合亚洲爱久久 | 99精品成人无码A片观看金桔 | 美味的飞行| 欧美疯狂做受xxxx | 男女后式激烈GIF动态图 | 在线看免费观看AV深夜影院 | 双性受高H公车地铁公交 | 色拍拍欧美视频在线看 | 色柚视频网站ww色 | 精品欧美一区二区在线观看欧美熟 | 熟女人妻一区二区三区免费看 | 狠狠色噜噜狠狠狠狠色吗综合 | 久久久精品国产 | 欧美在线高清视频 | 欧美の无码国产の无码影院 | 亚洲综合干 | 日日天天干 | 免费高清特色大片在线观看 | 中文字幕专区高清在线观看 | 无修无遮h韩漫视频网站 | 日本欧美一区二区三区片 | 久久久久久久久久久9精品视频 | 亚洲欧洲日产国码久在线 | 中文 日本 免费 高清 | 久久精品天天爽夜夜爽 | 精品人妻伦九区久久AAA片麻豆 | 97精品视频在线 | 一级毛片黄色 | 少妇高潮惨叫久久久久久欧美 | 被十几个男人扒开腿猛戳电影 | 最近最好看2019年中文字幕 | 春情为谁 | 免费黄色资源 | 夜夜狠操 | 大菠萝福利污下载APP | 性一交一乱一伦一色一情孩交 | 内射老阿姨1区2区3区4区 | 永久免费看成人A片在线播放 | 成年人黄色在线观看 | 色老头老太xxxxbbbb | 国产一区 在线播放 | 老司机久久精品视频 | 老司机免费视频福利0 | 99热久久爱五月天婷婷 | 国产自产一c区 | 丁香花色情成人网站 | swag国产精品 | 国产激情视频在线播放 | 亚洲精品久久久久久久蜜臀老牛 | 国产成人精品曰本亚洲 | 成人在线视频免费观看 | 亚洲综合丁香 | 色偷偷国色天香在线观看免费视频 | 狠狠色噜噜狠狠狠狠网站视频 | 国产精品第3页 | 97色伦久久视频在观看 | 久久国产精品一区 | 我就是要当着他的面做你 | 国产xx肥老妇视频奂费 | 一个免费看片高清在线 | 韩国久久精品 | 99热久久精品国产一区二区 | 亚洲巨乳自拍在线视频 | 国产乱妇无码大黄AA片 | 精品一区二区日本高清 | 999精品国产人妻无码系列 | 欧美在线色 | 中文字幕乱码一区二区欧美 | 99九九热| 国产色情av| 最近免费字幕中文大全视频 | 老外毛片 | 成熟少妇AV片在线观看 | 最近中文免费字幕在线播放 | 七色永久性tv网站免费看 | 一级毛片免费播放视频 | 日本黄色成年人免费观看 | 99视频在线观看免费视频 | h污小舞白丝玉足榨精小说 h重口味小说 | 黄色一级片在线播放 | 欧美精品高清无码 | 日本少妇浓毛BBWBBWBBW | 艳妇臀荡乳欲伦岳TXT下载 | 亚洲日本久久久午夜精品 | 伧理片午夜伧理片毛片日本 | 少妇人妻偷人精品视蜜桃 | 最新91视频| 韩国三级日本三级 | 激情综合色综合啪啪开心 | 韩国最污禁网站免费观看 | 十分钟视频影院免费 | 亚洲一区AV在线观看红楼梦 | 樱花草视频WWW | 天天综合天天操 | 欧美午夜影院 | 91福利视频网 | 成人黄色免费网址 | 欧美日韩成人高清色视频 | 少妇被粗大的猛烈进出A片久久久 | 粉嫩小又紧水又多A片 | 无套进入无码A片 | 成人午夜性A级毛片免费 | 免费看影片的网站入口 | 色中色最新网址 | 国产精品自在在线午夜区app | 色欲AV久久人妻蜜臀绯色 | 亚洲欧美偷拍视频一区 | 国产亚洲精品久久久久久白晶晶 | 国产剧情一卡二卡麻豆 | 2019精品国产品在线18年网 | 日本黄色免费网站 | 性荡视频播放器在线视频播放 | 又大又爽又黄无码A片在线观看 | 日韩亚洲欧美日本精品va | 在线观看亚洲AV无码每日更新 | 亚洲v在线| 成人综合亚洲欧美一区h | 国产小视频免费在线观看 | 国产精品人妻无码久久网站 | 成人在线午夜 | 日韩精品午夜视频一区二区三区 | 日韩A片无码一区二区五区电影 | 在线中文字幕播放 | 国产真实乱人偷精品人妻 | 亚洲国产精品嫩草影院在线观看 | 亚洲一区二区三区四区五区六 | 四虎一区二区成人免费影院网址 | 欧美成人久久一二三区A片 欧美成人无码A区在线观看免费 | 最新日韩中文字幕 | 欧美精品色婷婷五月综合 | 美女扒开尿口让男人桶进 | 色姑娘久久综合网天天 | 四虎无码永久在线影库网址一个人 | av高清| 天堂网在线看 | 精品久久精品久久 | 四虎影视出品必属精品 | 男人J放进女人P全黄网站 | 亚洲精品一区二区三区福利 | 国产成人久久综合热 | 亚洲AV久久无码精品九九软件 | 伦韩国理片在线观看 | 黑人欧美巨大xxxxx69 | 视频一区在线免费观看 | 色情婷婷综合乱埥亚洲 | 精品人妻无码一区二区三区葡京 | 欧美性xxxx极品hd欧美 | 国产无限免费观看黄网站 | 一区二区无码精品AV | 波多野结衣在线一区二区 | 亚洲AV国产国产久青草 | 美女扒开腿让男人桶爽APP免费看 | 国产手机在线精品 | 日本一卡精品视频免费 | 国产精品久久久久久久久久免费 | 国精产品999国精产品官网 | 早川瑞希 | 99国产精品国产精品 | 国产日本高清免费视频在线观看 | 538porm在线播放爽 | 日本三级影院 | 亚洲精品久久久久久AV | 国产ts人妖另类 | 涩涩网站在线观看 | 免费看国产成年无码A片 | 久热久热| 色翁荡熄又大又硬又粗又视频图片 | 影音先锋资源站男人网 | 亚洲精品久久久久久久观小说 | 舌头伸进去添少妇好爽高潮 | 99热视| 2024亚洲电影最新地址 | 伦理片天堂eeuss影院2o12 | 日本不卡免费高清视频 | 91精品天美精东蜜桃传媒免费 | 国产福利在线观看免费第一福利 | 亚洲字幕AV一区二区三区四区 | 欧美叉叉叉BBB网站 欧美成 人 网 站 免费 | 国产ts视频 | 午夜视频在线免费 | 亚精产品一三三菠萝蜜 | 日本强好片久久久久久AAA | 彩色h中文漫画 | 亚洲AV综合色一区二区三区 | 久久视频在线观看精品 | 日本在线播放一区 | 妞干网免费视频在线观看 | 国产一级第一级毛片 | 日批插的越快越爽好大好硬 | 国产又粗又猛又爽的视频A片 | 综合天天 | 国产麻豆亚洲精品一区二区 | 久久成人麻豆午夜电影 | 久久久精品久久久久久久久久久 | 最近国语视频免费观看在线播放 | 亚洲精品久久久久久久久无码精品 | 国产精品无码人妻在线 | 在线观看的免费视频网站 | 动态图污动态 | 找国产毛片看 | 亚洲AV综合AV一区二区综合 | 日韩在线播放中文字幕 | 久久这里的只有是精品23 | 麻豆文化传媒精品一区 | 天天干天天色天天 | 亚洲欧美日韩在线不卡中文 | 免费精品国产人妻国语色戒 | 国产成人免费高清视频 | 亚洲精品乱码久久久久蜜桃 | 香蕉久久一区二区三区啪啪 | 免费最新看电影的网站 | 国产v片在线播放免费观 | 2019天堂网 | 亚洲精品无码成人A片在线软件 | 韩国伦理在线电影免费观影网站 | 亚洲一区日本 | 五月天激情综合网 | 曰批全过程免费视频在线观看网站 | 亚洲精品久荜中文字幕 | 工口里番h彩色无遮挡全彩 工口里番全彩全彩无遮挡 工口里番全彩无肉码3D啪啪 | 国产性生大片免费观看性 | 开心五月 激情五月 深爱五月 | 亚洲欧美综合中文 | 四虎影视四虎在钱免费 | 国产手机在线精品 | 亚洲第一色网 | 日韩欧美群交P片內射中文 日韩欧美中 | 久久免费资源 | 女人十八毛片A级十八女人 女人十八毛片A片久久18 | 日本www色视频成人免费免费 | 午夜欧美艳情视频免费看 | 中国BGMBGMBGM老妇XO | 99在线精品国自产拍 | 给我个可以免费看片的 | 亚洲 偷拍 色播 | 中文天堂在线观看 | www.黄色片网站 | 国产精品无码一区二区在线A片 | 日韩高清在线观看永久 | 一个人看的高清视频日本 | 亚洲毛片一级带毛片基地 | 99国产在线视频有精品视频 | 我要爱久久影视 | 国产黄网在线 | 激情综合丁香 | 2分30秒不间断踹息声音频app | 国产第一页在线视频 | 国产精选免费视频 | 国产在线aaa片一区二区99 | 国产成人高清精品免费软件 | 国产精品乱码久久久久久软件 | 色情A片成人网站免费看视频 | 国产中文字幕在线视频 | 日韩毛片在线 | 久久国产精品免费网站 | 乱师生肉合集乱500篇小说 | 99久久久无码国产精品免费人妻 | 又污又黄又无遮挡的网站国产 | 黄网站免费在线观看 | 性欧美video在线播放 | 亚洲一区二区三区国产精华液 | 十九岁日本电影免费粤语 | 国产一三区A片在线播放 | 91制片厂制作果冻传媒八夷 | 夜夜躁狠狠躁日日躁2021 | 风韵饥渴少妇在线观看 | 日韩一二区色情高清清视频 | 亚洲欧美日本国产 | 无码一区二区三区亚洲人妻 | 手机上免费看twitch的加速器 | 黄色网在线免费观看 | 日本在线无 | 美女视频永久黄网站免费观看 | 日本H无码黄肉动漫后宫 | 欧美三级A做爰在线观看 | 波多野结衣在线免费播放 | xxxww免费看| 亚洲AV无码乱码A片无码18禁 | 国产精品AV一区二区三区不卡蜜 | 免费被黄动漫网站在线无网观看 | 九九热re| 我爱灰太狼全集 | 噜啊噜色在线观看视频 | 中文人妻AV久久人妻水密桃 | A片粗大的内捧猛烈进出在线 | 亚洲色女图 | 国产三级精品三级在专区中文 | 国产精品三级在线观看 | 丁香婷婷六月综合缴清 | 乱理片 最新乱理片2024 | 妺妺窝人体色WWW网站 | 福利姬视频在线观看 | 国产在线天堂a v | 日韩avapp| 免费福利资源站在线视频 | 午夜色大片在线观看 | 激情五月深爱五月 | 热思思久久 | 亚洲国产精品一区二区动图 | 日本黄页网站免费 | 成年人黄国产 | 欧美在线精品一区二区在线观看 | 清晨被舔醒的NP小说 | 一区二区三区内射美女毛片 | 女18一级大黄毛片免费女人 | 精品欧美亚洲韩国日本久久 | 中文国产成人精品久久app | 精品亚洲欧美中文字幕在线看 | 天堂亚洲欧美日韩一区二区 | 国产精品久久久影院 | 公和我做爽死我了A片N | 一个人看的高清视频日本 | 国精产品999一区二区三区有限 | 欧美一级视频精品观看 | 成人午爽爽爽A片免费下载 成人午夜A片产无码免费视频日本 | 婷婷五月久久丁香国产综合 | 免费看欧美特黄久久毛片久久 | 成年网站在线观看 | 熟女人妻的味道 | 色中色.com| 日本高清在线一区二区三区 | 色网址大全123 亚洲 | 午夜成人A片精品视频免费观看 | 久久精品成人无码A片小说 久久精品国产色欲A片小说 | 18成网站www在线观看 | www.日本com | 成人娱乐网 | 韩日在线| 西西人体系 | 色多多成人性视频APP下载 | AV无码国产精品午夜A片麻豆 | 亚洲情在线 | 久热精品视频在线观看 | 伦理电影中文手机在线观看 | 经典三级一区二区三区视频 | 免费播放美女一级毛片 | 欧美黄片 | 九九精品免视看国产成人 | 羞羞汗汗YY歪歪漫画AV漫画 | 天天躁日日躁很很很躁 | 午夜理论片日本中文在线 | 国产一区二区女内射 | 国产精品久久久久久久久久久搜索 | 高h全肉纯肉 高质量 | 国产免费人成在线视频视频 | 灌满抽搐合不拢双性HBL | http:www.色com| 中文字幕在线观看亚洲视频 | 欧美劲爆婷婷五月久久 | 亚洲精品一区二区 | 成年午夜免费影院 | 国产人妻久久精品一区二 | 最新本道高清无码av | 久久国产欧美国日产综合抖音 | xxxx.欧美| 精品国产手机视频在在线 | 宅男色影视亚洲人在线 | 黄色 在线| 我和两个女领导玩双飞 | 美国毛片aaa在线播放 | 欧美一级特黄aaaaaa在线看首页 | 91蝌蚪视频在线观看 | 亚洲区色情区激情区小说 | 日本黄页网站 | 国产精品高潮呻吟AV久久床戏 | 亚洲天堂免费看 | 亚洲午夜久久 | 色情久久久AV熟女人妻网站 | 久久中文字幕无码A片不卡古代 | 波多野结衣黑人40分钟 | 精品国产九九 | 厨房少妇人妻好深太紧了 | 精品3d动漫视频一区在线观看 | 免费看污又色又爽又黄又脏小说 | 久久99国产麻豆一区二区三区 | 视频一区国产第一页 | 午夜免费 | A片日本人妻偷人妻人妻 | 中文字幕精品在线 | 成熟交BGMBGMBGM在线看 | 亚洲最大的成人网站 | 九九视频在线 | 男女裸交无遮挡啪啪激情试看 | 好爽插到我子宫了高清在线 | 亚洲AV无码成人一区二区三区 | 亚洲精品久久久久久中女字幕 | 免费看国产曰批40分钟 | 中文字幕 日韩 人妻 无码 | 国产孰妇精品AV片国产m3u8 | 在线高清国语成人网站 | 最近免费字幕中文大全视频 | 国产精品资源在线观看 | 亚洲愉拍自拍另类天堂 | 日韩精品免费一区二区 | 特级毛片免费观看视频 | 都市仙王| 水蜜桃视频下载方法 | 国产成人黄网在线免 | 日本护士视频xxxxxwww | 成人丝袜射 | 国产亚洲综合网曝门系列 | 六月婷婷国产精品综合 | 免费国产在线观看 | 老师你下面太紧进不去小黄文 | 精品久久久久久久一区二区伦理 | 一区二区无码精品AV | 激情一区二区三区成人 | 色照片| 色涩网站在线观看 | 免费观看三级毛片 | 亚洲自偷自拍另类图区 | 国产av在在免费线观看美女 | 一级一级特黄女人精品毛片视频 | 亚洲国产精品日本无码小说 | 日韩三级中文字幕 | 男人把j放进女人的下面的视频 | 波多野结衣三级在线 | 2020年国产精品 | 午夜人妻一区二区三区熟女 | 成年免费大片黄在线观看岛国 | 欧美一卡二卡3卡4卡无卡免费 | 依欧美视频 | 亚洲乳大丰满中文字幕 | 久久久久国产精品免费网站 | 手机在线看片国产 | 欧美香蕉大胸在线视频观看 | 欧美日韩视频二区三区 | 国偷自产AV一区二区三区健身房 | 成人日韩熟女高清视频一区 | 国产三级多多影院 | 国产特一级毛片 | 亚洲色婷婷久久精品AV蜜桃 | 亚洲精品AV一二三区无码 | 欧美videos人牛交 | 九九大香尹人视频免费 | 天天综合色天天桴色 | 欧美日韩影视 | 小泽玛利亚qvod | 少妇被粗大的猛烈进岀A片 少妇被下春药玩弄A片 | 色涩网 | 日韩影片2 | 天天插一插 | 午夜A理论片在线播放 | 欧美黄www免费 | 欧美日韩在线视频播放 | 中文字幕视频在线观看 | 色国产在线 | 2017最新伦理伦理片67 | 亚洲午夜久久久无码精品网红A片 | 久久久综合中文字幕久久 | 四虎影视成人永久免费观看视频 | 呦导航福利精品 | 狠狠躁夜夜躁人人爽天天段 | 日日射日日操 | 最后一夜无删减版在线观看 | 亚洲精品久久无码AV片俺去也 | 又黄又爽吃奶视频在线观看 | 国产精品1区在线播放 | A片人人澡C片人人大片 | 91日韩在线 | 中文日产无乱码AV在线观 | 日本三级黄色片网站 | 3d肉蒲团观看地址 | 伊人玖玖| 国产99九九久久无码熟妇 | 99热这里只有精品8 99热这里只有精品9 | 国产精品久久无码人妻一区二区 | 亚洲一区二区在线播放 | 亚洲视频www | 国产自产对白一区 | 国产99高清一区二区 | 欧美va电影 | 亚洲影视天堂 | 亚洲精品国产高清不卡在线 | 天天综合亚洲综合网站 | 丁香六月激情 | 日韩亚洲全网最全无码 | 黄色三级视频在线观看 | 欧美一级日韩一级 | 亚洲18在线天美 | 秋霞电院影无码 | 国内精品久久久久影院网站 | 天堂资源8中文最新版 | 性一交一乱一交A片久久四色 | 欧美顶级少妇做爰HD | 无套和妇女做内谢 | 天天躁人人躁人人躁狂躁 | 性配久久久 | 最近高清中文在线国语视频 | 成人a一级毛片免费看 | 新97在线超级碰碰免费视频 | 国产av在在免费线观看美女 | 亚洲精品无码成人A片在 | 欧美性受一区二区三区 | 国产精选免费视频 | 亚洲精品无码一区二区三区网雨 | 中文字幕精品视频在线 | 成年女人色毛片免费 | 日韩亚射 | A片免费观看一区二区三区 A片粗大的内捧猛烈进出在线 | 国产精品久久久久久 | 亚洲h视频| 最近手机中文字幕大全首页 | 性色香蕉AV久久久天天网 | 国产乱码精品一区二区三上 | 天堂18| 果冻传媒91制品厂 | 久久久九九精品国产毛片A片 | 高H黄暴NP辣H一女多男 | 99re国产视频 | 99热资源 | 国产专区_爽死2024 | 苍井空人体b | 奇米影视一区 | 色偷偷的xxxx8888 | 国产做爰又粗又大太疼了 | 班长坐在我的腿上娇喘 | 亚洲精品久久久久中文字幕二区 | 日本不卡在线观看免费v | 亚洲午夜久久久 | 97国产精品视频在线观看 | 青青青国产依人在线 | 久久尹人香蕉国产免费天天 | 中文字幕国产专区 | 亚洲图片日本视频免费 | 四虎精品成人影院在线观看 | 风骚扰物美女图片20p | 91日本在线视频 | 日韩美女在线视频 | 国产成人精品免费视频动漫 | 99久久精品免费看国产 | 国产精品久久久爽爽爽麻豆色哟哟 | 真人做爰片免费观看播放 | 黑人大黑机巴做爰 | 在线v片免费观看视频 | 91新网址| 一起看电影 | 久久精品国产免费播放 | 亚洲一区二区三区四区五区六 | 婷婷日日夜夜 | 最近最新最好的2018中文字幕 | 雾岛奈津美ed2k | 男人吃奶捏奶很爽视频免费 | 国精品日韩欧美一区二区三区 | 四房播播电影网 | 亚洲 视频 在线 国产 精品 | 国产一卡2卡3卡4卡无卡国色 | 亚洲无限码 | 色网址在线 | 在线看免费大片45分钟 | 欧美又粗又长又爽做受 | 国产色精品久久人妻 | 99re 久久这里只有精品6 | 亚洲人成一区二区不卡 | 亚欧有色在线观看免费版高清 | 久久一日本道色综合久 | 2022最新国产在线不卡a | 黄色网页在线观看 | 青丝影院免费观看 | 99视频在线国产 | 天天操穴| 黄页网站在线观看免费 | 无码人妻毛片丰满熟妇区毛片国产 | 婷婷五月花 | 国产精品-区区久久久狼 | 2024国精产品一二二线精华液 | 99在线在线视频免费视频观看 | 1区2区3区产品乱码免费 | 久久成人18免费网站 | 国产精品久久久影院 | 国产一级精品视频 | 亚洲视频高清不卡在线观看 | 欧洲无线码免费一区 | 性欧美荷兰极品 | 国产福利视频在线精品 | 国内精品乱码卡一卡2卡 | 无码色AV一二区在线播放 | 夜夜躁狠狠躁日日躁视频 | 久久久网 | 国产网曝手机视频在线观看 | 在线国产中文字幕 | 黄页网站在线观看视频 | 成人国产精品一级毛片了 | 亚洲精品国产AV成人毛片 | 亚洲 日韩 欧美 制服 无码 | 欧美乱妇无码大片在线观看 | 超碰人人澡人人胔 | 精品人妻无码一区二区三区50 | AV国産精品毛片一区二区在线 | 娇吟水荡浪妇 | 99久久产在线 | 久久久久女人精品毛片九一 | 国产偷抇久久精品A片蜜臀A | yy成人影院| 五月丁香六月综合缴情基地 | 国产精品99久久久精品无码 | 成人爽a毛片在线视频网站 成人首页 | HEZYO加勒比 一本高手机在线 | 成人做爰A片免费看视频 | 黑巨人与欧美精品一区 | 欧美福利视频导航 | 性荡视频播放器在线视频播放 | 97色在线视频观看香蕉 | 按摩高潮A片一区二区三区 澳门永久av免费网站 | 国产v片在线播放免费观 | 公用小荡货芊芊 | 无码做爰视频WWW网站建设 | 国产VA精品午夜福利视频 | 人人片 | 日本特黄无码毛片在线看 | 波多野结衣一区二区三区 | 天天干天天操天天透 | 韩国色情巜肉欲夜姬 | 久久婷婷五月综合色 | 69久久无码一区人妻A片 | 亚洲AV无码区在线观看东京热 | 欧美日韩一卡2卡三卡4卡新区 | 免费啪视频在线观看视频日本 | 一区二区三区内射美女毛片 | 免费人成视频 | 毛片.com| aa一级护士医生毛片 | 无码日本精品一区二区三 | 国精品人妻无码一区二区三区牛牛 | 免费看成人AA片无码视频羞羞网 | 一本大道道香蕉a | 人禽性xxxbbb欧美 | 色视频下载| 国产成人久久AV免费高潮 | 强x轮流系列h文全集 | 又黄又刺激好看的小说 | 久久精品AV无码一区二区小说 | 青草欧美| 国产福利91精品 | 狠狠色婷婷综合天天久久丁香 | 天天综合在线视频 | 欧美色体 | 无码日本精品久久久久久 | 大学生高清一级毛片免费 | 天天干夜夜玩 | 狠很撸| 毛片网站网址 | 年轻的馊子8HD中文字幕 | 少妇无码吹潮久久精品AV网站 | 国产色情A久久无码影 | 麻豆果冻传媒2024精品传媒一区下载 | 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 | 美女露出尿口让男人揉动态图网站 | 日本黄 色 成 年 人免费观看 | 欧美xxxx做受欧美88bbw | 四虎无码永久在线影库网址一个人 | 黄桃AV无码免费一区二区三区 | 中文字幕在线观看免费视频 | 国产精品美女乱子伦高潮 | 欧美 日韩 国产 另类 图片区 | 中文乱码字幕视频观看网站免费 | 日韩美一区二区 | 午夜视频国产 | 国内精品久久久久久久小说 | 婷婷四房色播 | 亚洲一区在线观看无码欧美 | 亚洲国产精品久久久天堂 | 五月丁香综合啪啪成人小说 | 美国特级毛片 | 受被三个攻各种道具PLAY | 欧美内射BBW偷拍 | 最近韩国日本免费高清观看免费 | 欧美va天堂va视频va在线 | 手机上免费看twitch的加速器 | 免费看污又色又爽又黄又脏小说 | 亚洲中文字幕日本无线码 | 亚洲AV国产精品无码A片APP | 色www.亚洲免费视频 | 精品久久久久久久久久 | 精品人妻无码一区二区三区绿 | 欧美日本一道免费一区三区 | 美女视频大全视频a免费九 美女三级毛片 | 一本大道AV久久综合 | 国产成人精品综合网站 | 中文字幕亚洲男人的天堂网络 | 久久精品免费看 | 欧美色欧美亚洲另类二区 | 在线观看b | 国产强伦姧人妻毛片 | 777午夜精品久久AV蜜桃小说 | 91网站在线免费观看 | 99国产精品久久久久久久日本竹 | 国产热久久精 | 国产深夜福利 | 97久久精品无码一区二区欧美人 | 加勒比AV一本大道香蕉大在线 | 亚洲国产成人在人网站天堂 | 亚洲精品入口一区二区乱麻豆精品 | 中文字幕日本一区 | 免费中文字幕不卡视频 | 成人影院wwwwwwwwwww | 久久久精品午夜免费不卡 | 欧美91精品久久久久网免费 | 国产人妻人伦精品59HHH | 波多野结衣一区二区三区在线观看 | 六月丁香在线播放 | 在线永久看片免费的视频 | 久久内在线视频精品mp4 | 国产成人精品综合久久久 | 国产精品国产三级国AV在线观看 | 三A级做爰片免费观看国产电影 | 亚州老熟女A片AV色欲小说 | 伊人蕉久75影院在线播放 | 年轻丰满的继牳5伦A片 | 色欲AV色情国产又爽又色 | 国产欧美一区二区三区视频 | 亚洲国产精品久久久天堂 | AV亚洲欧洲日产国码无码苍井空 | 99热在线免费观看 | 国产精品高潮呻吟AV久久 | 视频一区国产第一页 | 欧美精品首页 | 朋友的人妻的滋味BD中文 | 久久夜夜肉肉热热日日 | 99九九99九九九视频精品 | 2021国产成人精品久久 | 美女午夜福利4K视频在线观看 | 日本午夜精品一区二区三区电影 | 加勒比AV一本大道香蕉大在线 | 国产精品久久久久久久毛片 | 日日夜夜综合 | 色婷婷亚洲婷婷五月 | jizz性欧美2 lme伦敦金属交易所实时行情 |