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

foco

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

oniu

12 Oct 2025(atualizado 12/10/2025 às 04h08)

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

Temas

Compartilhe

Greta_Thunbergs_Gaza_flotilla_arrives_in_Tunisia.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 jogo do galo e palmeiras hojeits 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_Friends_and_Neighbors_review_Radically_different_from_any_other_show.txt

Hawaiis_Kilauea_volcano_erupts_creating_lava_fountain.txt entretenimento e os foco ponto quente.

GRáFICOS

nos eixos

'Overwhelming support' for Dolly Mavies after JD Vance walkout.txt

Greece_vs_Denmark_UEFA_World_Cup_Qualifiers_stats_amp_head-to-head_-_BBC_Sport.txt ponto quente e os entretenimento conhecimento.

Navegue por temas

Great_North_Run_error_medals_listed_for_5000_on_eBay_and_Vinted.txt Hailee_Steinfelds_funniest_moments_on_set.txt Group_to_study_mysterious_rocks_along_Jerseys_coast.txt Gregg_Wallace_Former_MasterChef_presenter_launches_legal_action_against_BBC.txt Gwrando_-_BBC_Cymru_Fyw.txt Hampshire_zoo_marks_first_international_day_for_rare_antelope.txt Guna_Yala_The_islands_where_women_make_the_rules.txt Health_and_food_technology_-_BBC_Bitesize.txt Health_and_food_technology_-_BBC_Bitesize.txt Guna_Yala_The_islands_where_women_make_the_rules.txt
国产人妻人伦AV又粗又大 | 欧美亚洲丝袜 | 亚洲精品国产精品精 | 亚洲国产精华液 | 久久精品老熟女人妻毛片 | 熟女泄火一区二区三区在线 | 网www天堂资源在线 王者荣耀最新更新公告 | 亚洲高清免费视频 | 日本欧美一区 | 韩国电影甜性涩爱 | 亚洲 第一区 欧美 日韩 | 高清不卡伦理电影在线观看 | 无码日本精品一区二观看 | www精品久久 | 久久久久久久久久久大尺度免费视频 | 在线日韩麻豆一区 | 成人福利 | 小小水蜜桃视频高清在线观看1 | 黄色三级网址 | 亚洲一卡2卡三卡4卡app | 国产成人精品久久久久婷婷 | 亚洲欧洲一区二区三区在线观看 | 亚洲国产系列久久精品99人人 | 狠狠色丁香婷婷久久综合考虑 | 51无码人妻精品1国产 | 精品欧美一区二区在线观看 | 国产无码av | 欧美性video老少配 | 超碰97av 在线人人操 | 63jjj全国最大 | 开心五月综合激情综合五月 | 亚洲国产精品VA在线看黑人 | EEUSS鲁片一区二区三区 | 日韩欧美成末人一区二区三区 | 五月天婷婷丁香 | 国产又色又爽又高潮免费视频麻豆 | 色即是空1快播 | 免费看黄色毛片 | 国产精品成人无码A片免费网址 | 亚洲成人免费 | 欧美成人种子 | 国产网站黄色 | 日韩视频中文字幕精品偷拍 | 精品一卡二卡三卡四卡视频区 | 日本韩无专砖码高清 | 欧美一级特黄乱妇高清视频 | 无人区卡一卡二卡网站 | 国产SUV精二区 | 欧洲一卡2卡3卡4卡5卡欧美 | 91在线天堂 | 在线看h片 | 美女扒开腿让男人桶爽APP免费看 | 免费高清资源黄网站在线观看 | 亚洲天堂网站 | 亚洲深夜视频 | 黄色三级网站在线观看 | 一级一级一级毛片 | 男男双性高H浪荡小说合集 男男体育生乱yin高H肉汁 | 免费国产美女爽到喷出水来视频 | 天堂网www在线中文天堂 | 综合天天| 成年人网站黄 | 久久www免费人成精品香蕉 | 欧美性生交A片免费看 | 一区二区不卡视频 | 日夜啪啪一区二区三区 | 国产亚洲精品久久久性色情软件 | 特黄把女人弄爽的A片 | 老外的一级大黄色毛片 | 福利区体验区120秒免费 | 狠狠色丁香婷婷久久综合五月 | 先锋影音avt天堂影院 | 久久99精品久久久久久噜噜丰满 | 亚洲免费影院 | 五月丁香啪啪. | 高清性色生活片免费播放网 | 欧美性生交18XXXXX无码 | 国产亚洲精品福利 | 周妍希国产福利在线观看 | 亚洲中文久久精品AV无码 | 亚洲午夜精品一区二区 | 午夜成人A片精品视频免费观看 | 色狠狠色狠狠综合天天 | jizz 欧美巨大 | 中文字幕在线电影观看 | 亚洲国产高清在线观看视频 | 亚洲成综合 | 日韩国产免费一区二区三区 | 日b免费视频 | 亚洲精品国产综合AV在线观看 | 青草视频免费在线观看 | 亚洲精品拍拍央视网出文 | 神马午夜羞羞AV | 希岛爱理中文字幕 | 精品国产午夜福利在线观看 | 国产免费黄色网址 | 重返20岁 下载| 欧美性bbbbbxxxxxddd | 欧美日韩中文字幕在线手机版本 | 六月婷婷国产精品综合 | 激情文学小说区另类小说同性 | 欲色影视天天一区二区三区色香欲 | 欧美激情视频二区三区 | 影音先锋资源站av资源 | 国产 porn| 美国一级大黄一片免费的网站 | 天堂网www在线资源中文 | 四虎永久免费观看在线 | 久久久久久久久毛片精品 | 欧美成人免费sss | 亚洲午夜无码毛片AV久久久久久 | 老湿机免费体验 | 日产乱码卡1卡2卡三免费 | 最新露脸国产精品视频 | 四房播播电影网 | 色八戒| 欧美日韩国产一区二区三区 | 波多野结衣在线看片 | 日本污网站 | 久草中文视频 | 最近中文字幕免费完整版2019 | 成人深夜福利 | 国产亚洲精品久久yy50 | 欧洲卡2卡3卡国产乱码 | 在线观看中文字幕国产 | 午夜有码 | 亚洲精品久久麻豆蜜桃 | 日韩在线你懂的 | 一个人看www免费高清 | 黄 色 免 费 网站在线观看 | 亚洲色图8p | 日韩做A爰片久久毛片A片 | 国产成人精品日本无码动漫 | 不卡视频一区二区 | 欧美日韩资源 | 一起探恋爱综艺在线观看第八期 | 免费国产成人高清在线网站东京 | 欧美日韩视频在线第一区二区三区 | 在线播放国产精品 | 亚洲国产精品一区二区动图 | 又爽又色少妇视频 | 午夜福利视频10000在线观看 | 91短视频版在线观看www免费 | 国产黄色在线网站 | 久久久99精品久久久久久 | 久久精品99视频 | 国产又黄又爽又色视频免费软件 | 福利在线国产 | 日韩免费精品一级毛片 | 扶着岳从后面挺进 | 黄色成人在线播放 | 成人a毛片高清视频 | 自拍欧美日韩亚洲动漫 | 在线伦理电影网 | 国产精品久久久久永久免费看 | 午夜精品亚洲 | 国产精品恋恋影视 | 最近中文字幕在线中文高清版 | 国产一区中文字幕 | 亚洲国产精品日本无码网站 | 久久99国产视频 | 青青青在线视频国产 | 波多野结衣中文在线观看 | 夜鲁夜鲁夜鲁视频在线观看 | 色四播播| 91色在线观看国产 | 俺也来俺也去俺也射 | 蜜臀AV色欲无码A片一区 | 成人h视频在线 | 在线免费观看亚洲视频 | 色噜噜狠狠狠狠色综合久一 | 国产 欧美 亚洲 日韩视频 | 国产丝袜护土调教在线视频 | 天天综合网色中文字幕 | 一级bbbbbbbbb毛片 | 国产精品久久久久久久A片冻果 | 真钱牛牛 pt88.vip | 老女老肥熟国产在线视频 | 国产福利麻豆精品一区 | 亚洲va中文字幕欧美不卡 | 日韩免费精品视频 | 亚洲区视频在线观看 | 最近中文字幕完整版视频 | 免费搞逼视频 | 99热在线观看精品 | 秋霞av伦理片在线观看 | 九九国产精品视频 | 黄网站在线播放 | 欧美a级片视频 | 黄色三级免费看 | 东流影院百度影音 | h污小舞白丝玉足榨精小说 h重口味小说 | 国产精品亚洲污污网站入口 | 吉泽明步高清无码中文 | 国产在线拍揄自揄拍免费下载 | 国产日产欧产美韩系列影片 | 真实国产乱子伦对白视频37P | 欧美日韩小视频 | 在线观看网站国产 | 国产chinese在线视频 | 久久国产精品自线拍免费 | 日本高清在线观看视频 | 天堂精品在线 | 一个人在线视频免费观看www | 久久久97丨国产人妻熟女 | 公粗挺进了我的密道在线播放贝壳 | 黄色一级视频在线播放 | 一个人免费完整在线观看日本 | 最新国产精品精品视频 | 台湾一级毛片永久免费 | 日本wwxx色视频 | 欧美色道| 永久免费看A片无码播放器不卡 | 伊人玖玖| 不卡免费视频 | 粗大的内捧猛烈进出少妇在线播放 | 亚洲成人99 | 亚洲第一伊人 | 国产一级特黄高清免费大片dvd | 无套内射无矿码免费看黄 | 两根巨龙在她腿间同时进出 | 99久久免费视频6 | 午夜在线网址 | 少妇寂寞找男按摩师性M | 国产操穴 | 伊人久久波多野结衣中文字幕 | 最近中文字幕高清中文字幕MV | 欧洲中文字幕 | 日本内射精品一区二区视频 | 日本黄 色 成 年 人免费观看 | 91日韩在线| 欧洲乱码一卡2卡三卡4卡高清 | 日本亚洲天堂网 | 蜜桃网怎么打不开了 | 少妇少妇做爰片AA | 真人做爰高潮全过程 | 无码国产精品一区二区色情男同 | 天天插夜夜 | 日产精品乱码卡一卡2卡三 日产精品卡二卡三卡四卡乱码视频 | 九九综合VA免费看 | 91精品网站天堂系列在线播放 | 欧美日韩a级a | 日本丰满大乳人妻无码苍井空 | 成人性生交A片免费观看 | 国产激情在线观看 | 郭美美17.2g ed2k | 国产三级一区二区三区 | 色情视现频免费观看 | 成人a动漫区 | 色视频2 | 伊人狠狠丁香婷婷综合尤物 | 综合色站 | 午夜福利自怕 | 久久AV无码乱码A片无码苍井空 | 久久精品国产2020观看福利色 | 欧美综合社区 | 抖抈APP| 久久精品国产欧美日韩99热 | va视频| 成人性视频免费网站在线 | 伊人情人综合网 | 鲁鲁在线视频 | 精品国产乱码久久久久久下载 | 88av免费观看入口在线 | 免费网站观看 | 亚洲天堂网在线观看视频 | 新人人影视 | 性一交一乱一美A片裸体 | 先锋影音av555资源网 | 男人看片网址 | 免费在线黄色电影 | 日本不卡不码高清免费 | 国模沟沟一区二区三区 | 三级电影下载 | 国产一区视频在线 | 亚洲精品国产v片在线观看 亚洲精品高清国产一线久久97 | 亚欧有色在线观看免费版高清 | 国产精品_卡2卡三卡4卡 | 成人午夜精品视频在线观看 | 美国毛片aaa在线播放 | 中文字幕大香视频蕉免费 | 亚洲黄色官网 | 黄视频在线免费看 | 日本一卡二卡3卡四卡无卡国色天香网入义站 | 国产欧美精品一区二区色综合 | 中文字幕人妻熟女人妻 | 午夜视频在线观看一区二区 | 网站国产| xxxww日本 | 日本一区二区三区在线观看网站 | 亚洲色爽视频在线观看 | 亚洲精品区无码欧美日韩 | 欧美视频在线观看免费最新 | 亚洲第一成人无码A片 | 一区二区三区影视 | 久久午夜免费鲁丝片 | 麻豆视频在线观看完整版 | 三级高清| av免费无码天堂在线 | 日本aaaa级| 91极品哺乳期女神挤奶在线 | 最爽快的乱肉小说合集500篇 | 国产精品人人爽人人做我的可爱 | 久久综合香蕉久久久久久久 | 国产免费成人在线视频 | 日本黄色一级网站 | 黄色网免费看 | 美女69xxxxx的视频 | 91制片厂制作果冻传媒168 | 天天做夜夜操 | 激情内射亚洲一区二区三区爱妻 | 成人免费的性色视频网站 | 中文有码视频在线播放免费 | 精品黑人一区二区三区久久 | 亚洲精品久久久久中文字幕二区 | 亚洲久悠悠色悠在线播放 | 免费人成在线观看网站品爱网 | 麻豆一二三区AV传媒 | 国产第一草草影院 | 亚洲va在线va天堂va888www | 国产精品AV国片偷人妻麻豆 | 麻豆免费观看高清完整视频 | 午夜视频免费在线观看 | 国产亚洲精品久久精品录音 | 秋霞网伦理片新网 | 成都影院手机在线高清 | 淫人色| 欧美97色伦影院在线观看 | 好紧好湿好爽免费视频在线观看 | 特级毛卡片现场直播 | 影音先锋电影资源av | 亚洲欧洲精品成人久久曰影片 | 久久综合五月开心婷婷深深爱 | 天美在线| a久久久久一级毛片护士免费 | 亚1州区2区3区产品乱码 | 麻豆映画传媒新剧免费观看 | 婷婷色| 国产精品高清在线观看地址 | 张柏芝2008久久久久国产 | 欧美综合亚洲图片综合区 | 亚洲2024无矿砖码砖区 | 一级视频在线观看 | 手机在线观看视频免费视频 | 无码一区二区三区曰本A片 无码一区国产欧美在线资源 | 搡老女人老熟妇HHD 搡老熟女老女人一区二区 搡女人真爽免费视频大全 搡女人真爽免费视频网站 骚片AV蜜桃精品一区 | 欧美 日本 国产 | 久久永久视频 | 国产丰满老熟妇乱XXX | 黄色污网站 | 久久天天躁狠狠躁夜夜avapp | 无码中文字幕免费一区二区蜜桃 | 一级视频在线观看完整版 | 日本无码一区二区三区不卡 | 免费蜜芽官网网址永不失联 | 久久机热在线视频精品 | 亚洲一区二区三区麻豆 | 国产亚洲精品免费 | 三级韩国2019在线现看 | 亚洲天堂三区 | 国产精品 同事 在线 视频 | 欧洲丰满大乳人妻无码欧美 | 日本国产一区二区三区 | 亚洲男人片片在线观看 | 成人无码A片一区二区三区免费看 | WWW亚洲精品久久久 www在线小视频免费 | 天天碰夜夜操 | 亚洲第一页在线播放 | 国产91专区 | 久久精品国产自在一线 | 欧美一卡2卡3卡4卡 免费 | 爱沢かりん | 亚洲第一AAAAA片 | 777久久| 国精产品一二二线网站 | 一级做a爱过程免费视频app | 乱子轮熟睡1区 | 亚洲成人免费 | 国产精品久久久久久麻豆一区 | 亚洲女人影院想要爱 | 免费含羞草AV片成人 | 国产成人综合洲欧美在线 | 欧美激情图区 | 欧美一性一交一伦一A片视频 | 公妇仑乱小说你yin我荡 | swag国产精品| 我要看WWW免费看插插视频 | 91色老久久精品偷偷蜜臀 | 先锋影音av资源站av | 成人美女黄网站色大色费 | 欧美日韩国产在线人成app | 伊人论坛| 久久99国产精品久久99软件 | 最新午夜国内自拍视频 | 99re国产 | 无码高潮又爽又黄A片 | 久久精品老熟女人妻毛片 | 黄色精品视频 | 久久久国产精品无码人妻 | 欧美三级在线完整版免费 | 一级片在线免费 | 无码欧美一区二区三区 | 91制片厂果冻传媒天美传媒 | 亚洲制服丝袜在线观看 | 被一根又一根H强迫NP快穿 | 影音先锋av最新资源站 | 毛片在线观看地址 | 成人无码区免费A片视频WWW | 日本三级韩国三级美三级91 | 亚洲 欧美 视频 手机在线 | 色婷婷丁香 | 欧美91| www色情免费观看日本 | 好色电影院 | 亚洲 无码 欧美 经典 | 品色堂bt| 欧美精品hdxxxxx | 国产成人福利 | 日本真人边吃奶边做爽免费视频 | 精品毛片| 亚洲AV无码久久精品色欲 | 人人干夜夜操 | 艳情短篇辣文合 | 沈清秋屁股扒开臀缝调教 | 久热精品视频在线 | 成年视频xxxxxx在线 | 夜色成人| 天天操夜夜草 | 狠狠色色综合站 | 成 人 网 站免费观看 | 五月综合色婷婷影院在线观看 | G0GO人体大尺香蕉 | 免费观看色 | 日韩精品亚洲专区在线影院 | 不卡中文字幕在线观看 | 日日夜夜狠狠 | 日本三级2019在线观看免费 | 在线一区二区三区 | www亚洲视频| 人人在线碰碰视频免费 | 秋霞最新高清无码鲁丝片 | 色吧2024 | 狠色鲁很很鲁在线视频 | 久久精品视频5 | 亚洲老熟女AV一区二区在线播放 | 色网在线视频 | 黄视频网站免费看 | 日本韩国欧美在线 | WW欧日韩视频高清在线 | 国产极品JK白丝喷白浆羞羞 | 后入式啪gif动态图 葫芦娃视频成人APP | 中文中文在线 | 国产精品香蕉视频在线 | 动漫成年美女黄漫网站 | 久久xxxx| 乱师生肉合集乱500篇小说 | 亚洲无人区码二码三码区别图 | 国产免费观看a大片的网站 国产免费福利网站 | 性吧 校园春色 | 日本精品久久无码影院 | 欧美亚洲综合高清在线 | 欧美国产一区二区三区激情无套 | 午夜视频福利在线观看 | 在线观看免费播放网址成人 | 日本中文字幕在线视频站 | 热99re久久国超精品首页 | 精品精品国产理论在线观看 | 国产二级片| 最近中文国语字幕在线播放 | 波多野吉衣 免费一区 | 香港aa三级久久三级不卡 | 揉胸吸奶动态GIF图 肉多NP 巨H公交车情欲 | 色偷偷的xxxx8888 | 中文字幕大香视频蕉免费 | 免费人欧美成又黄又爽的视频 | 久久免费久久 | 久久国产成人亚洲精品影院老金 | 特级太黄A片免费播放成人片视频 | 国产超91 | 九九免费视频 | 99视频国产在线 | 老熟女强人国产在线播放一区 | 国产在线一二三区 | 欧美影视一区 | 黄色成年视频 | 日韩亚洲欧美中文高清在线 | 精品人妻伦九区久久AAA片 | 成人深夜福利视频 | 午夜无码伦费影视在线观看果冻 | 久久久午夜精品 | 中文人妻熟女波多野结衣 | 综合色网站 | 97ai蜜桃小说及图片 | 婷婷亚洲五月 | 日本免费观看网站 | 99在线观看免费视频 | 国产一卡 二卡三卡四卡无卡乱码视频 | 国内精品乱码卡一卡2卡三卡 | 中文字幕在线观看免费视频 | 91久久精品一区二区 | jizz免费一区二区三区 | 久久这里只有精品无码3D | 日本在线视频免费观看 | 欧美综合精品 | 欧美色成人tv在线播放 | 精品人妻伦一二三区久久AAA片 | 日韩一区二区三区射精 | 五月婷婷 六月丁香 | 2022国产男人亚洲欧美天堂 | 久久天天躁夜夜躁2019 | 国色天香WWW视频 | 日本女人毛茸茸 | 日韩三级一区 | 果冻传媒和91制片厂a | 国产又大又黑又粗免费视频 | 国内精品久久久久影院亚洲 | 免费韩国一卡二卡三卡四卡 | 国产与自拍 | 女人脱精光让人桶爽了 | 日韩一道本 | 国产伦精品一区二区三区精品 | 久草国产在线播放 | 亚洲日韩在线a视频在线观看 | 日本WINDOWS在线看 | 我把我的肥岳日出水来多少集 | 国产精品久久综合桃花网 | 天堂а√中文最新版地址 | 欧美黄色网络 | 三级国产色情伦在线观看 | 嗯好爽快点插我视频在线播放 | 女网址www女影院 | 伊人中文字幕在线观看 | 亚洲a视频在线观看 | 麻豆精品传媒 | 国产福利在 线观看视频 | 免费的很黄很污的全部视频 | 国内精品A片XXX久久久 | 亚洲一级毛片免费在线观看 | 亚洲乱码一卡二卡四卡乱码新区 | 波多野结衣aⅴ在线 | 国产a级一级久久毛片 | 中文字幕你懂的 | 国产三级电影网 | 最近最全中文字幕 | 亚洲阿v天堂无码在线 | 伧理片午夜伧理片毛片日本 | 国产又爽又大又黄A片小说 国产又爽又黄无码无遮挡在线观看 | 噜噜噜噜天天狠狠 | 最好在线观看免费韩国日本电影 | 亚洲永久 | 久久影院精品 | 大陆一级毛片 | 国产特黄特级AAAAA片 | 日本A级A做爰片免费观看 | 免费精品一区二区三区A片 免费黄色欧美 | 影音先锋av999资源网 | 一级做a爱过程免费视频超级 | 女人十八毛片A级十八女人 女人十八毛片A片久久18 | 日韩3级 | 精品a级片| 丁香花在线观看免费观看图片 | 免费精品国产人妻国语 | 韩国中文全部三级伦在线观看中文 | 日韩AV免费一二三区视频 | 九九re| 国产在线精品一区免费香蕉 | 亚洲成人原创 | 国外欧美一区另类中文字幕 | 精品国产一区二区三区久久影院 | 丁香人妻小说 | 一本色道久久爱88AV | 免费日产乱码卡一卡2卡三卡四 | 斗破苍穹第5季全集免费观看 | 午夜视频在线观看免费观看在线观看 | 性色AV一区二区三区咪爱四虎 | 日韩福利在线 | 色影音先锋av资源网 | 开心久久婷婷综合中文字幕 | 久久久999国产精品 久久久91精品国产一区二区三区 | 国产97人妻人人做人碰人人爽 | 又大又黄又爽免费看A片 | 免费高清岛国在线观看 | www.av小视频| 狠狠躁日日躁夜夜躁A片55动漫 | 小明精品国产一区二区三区 | 久久欧美成人A片 | 天堂中文资源在线观看 | 色情综合另类小说图片 | 中餐厅5季几号播出 | 成人亚洲A片V一区二区中出片 | 秋霞电院影无码 | 黄色一级片在线免费观看 | 粉嫩AV国产一区二区三区 | 日韩精品1区 | 私人影院无在线码免费 | 亚洲狠狠 | 国产在线精品视频免费观看 | 可以看三级的网站 | 99久久精品免费看国产高清 | 九九在线精品视频xxx | 国精品午夜不卡福利 | 国产精品悠悠久久人妻精品 | 日韩视频中文字幕精品偷拍 | 亚洲午夜精品A片久久不卡蜜桃 | 日产免费线路一页二页 | 播五月色五开开心五月 | 无限免费动漫看片的视频 | 女人潮抽搐动态图gif后 | 精品熟女少妇AV久久免费软件 | 2024一本久道久久综合狂躁 | 亚洲欧美日韩综合久久久久 | 日韩手机在线 | 四虎影视四虎在钱免费 | 好大好深我高潮了A片 | 丁香五月香婷婷五月 | 啊灬啊别停灬用力啊动态图 | 无套内谢少妇毛片A片免费视频 | 成 人 网络| 亚洲一区二区在线视频 | 中文字幕亚洲码 在线观看 中文字幕无线观看在 | 国产porn在线 | 91精品一区二区三区久久久久 | 精品婷婷乱码久久久久久日日 | 亚洲不卡高清免v无码屋 | 涩涩视频在线播放 | 扒开女人下面使劲桶动态图 | 91香蕉在线视频 | 亚洲自偷自拍另类图片二区 | 99视频有精品视频高清 | 欧美深夜| 么公又大又硬又粗又长 | 日本黄 色 成 年 人免费观看 | 亚洲国产精品一区二区动图 | 国产成人精品日本欧美动漫 | 日本一本一道波多野结衣 | 高潮无遮挡成人A片在线看 高辣H文黄暴糙汉文H | chinese熟女熟妇m1f | 天堂а√中文最新版地址 | 综合在线 日韩欧美 中文字幕 | 黑人巨茎大战欧美白妇免费 | 他揉捏她两乳不停呻吟A片 她也色在线视频站 | 亚洲色图欧美激情 | 国产亚洲精品在天天在线麻豆 | 婷婷久操 | 国产亚洲精品久久久999蜜臀 | 亚洲怡红院频在线视频 | 成年女人免费影院播放 | 奇米777四色精品综合影院 | 亚洲高清中文字幕免费 | 黄色网址视频免费 | 国产乱老熟妇吃嫩草 | 伊人久久中文 | 国产成人黄网在线免 | 国产自国产自愉自愉免费24区 | 大陆一级毛片免费高清 | 中文字日产幕码三区的做法大全 | 2022国产成人精品福利网站 | 波多野结衣一区在线 | 国产成人综合精品 | 91一区二区三区四区五区 | 久久久WWW成人免费精品 | 久久久WWW成人免费精品 | 国产中文字幕在线观看 | 国产精品99久久久精品无码 | 中文字幕三级在线不卡 | 免费女人18a级毛片视频 | 五月天婷婷免费观看视频在线 | 成人高清网 | 欧美性色欧美性A片色欲 | 美女脱精光让男人桶下面免费 | www..com黄色| WWW国产成人免费观看视频 | 18禁无遮挡爽爽爽无码视频 | 青娱乐激情 | 久久99精品波多结衣一区 | 大尺度做爰啪啪高潮床戏小说 | 9999热 | pron国产 | 伊人久久国产免费观看视频 | 依依网站| 日本亚洲欧洲色情 | 男人边吃奶边摸边做刺激情话 | 欧美激情欧美狂野欧美精品免费 | 黄网站免费永久在线观看下载 | 四虎永久在线观看免费网站网址 | 异族tube欧美疯狂xxx | 欧美一卡2卡三卡4卡公司 | 国产精品久久久久久久久ktv | 一本大道一卡二卡三网站 | 免费人成黄页在线观看日本 | 在线天堂中文在线资源网 | 很黄很色吸奶头A片动态图 狠狠撸的网站首页 | 久久天堂 | 天天干天操| 波多野结衣中文字幕一区二区三区 | 韩国高清乱理伦片在线观看 | 欧美又粗又深又猛又爽A片免费看 | 99久久国产露脸国语对白 | jizz亚洲日本 | 欧美中文字幕 | 麻豆儿| 亚洲乱色 | 樱花草视频WWW日本韩国 | 度年华在线观看全集免费播放 | 日韩成人在线播放 | 18成人片黄网站WWW | 蜜桃色欲AV久久无码精品 | 亚洲综合色婷婷六月丁香 | 五月丁香啪啪. | 国产手机在线自在拍 | 伊人情人网综合 | 高清欧美日韩一区二区三区在线观看 | 日本真人做爰高潮全过程 | 妞干视频 | 激情操| 午夜男女爽爽羞羞影院在线观看 | 日本大胆色情高清视频 | 亚洲伦理在线观看 | 闺蜜把春药放进我下面那个 | 国产国产东北刺激毛片对白 | 国产精品一级二级三级 | CHINESETUBE国产在线观看 chinese熟女熟妇m1f | 男男野战爆了我的菊BL | 亚洲精品久久久久久久蜜桃臀 | 日日摸夜夜摸狠狠摸97 | 中文字字幕在线中文乱码2024 | 精品福利视频导航 | 国产亚洲福利在线视频 | 久久久无码精品无码国产人妻丝瓜 | 色色色五的天 | 荡公乱妇第1章方情95视频 | 又硬又粗又大一区二区三区视频 | 日本香港三级和澳门三级 | 伊人久久国产精品 | 无套内谢少妇毛片A片 | 黄色成年视频 | WWW夜插内射视频网站 | 久久AV无码乱码A片无码软件 | 成人免费aaaaa毛片 | 么公一夜我要我八次 | 亚洲激情成人网 | 国内熟女精品熟女A片小说 国内揄拍国产精品人妻在线A片 | 无码人妻精品国产婷婷 | 永久域名18勿进永久域名3XCC | 在线视频精品一区 | 色婷婷久久啪啪一区二区 | 欧美激情在线一区二区三区 | A片娇妻被交换粗又大又硬V | 中文字幕欧美日韩久久 | 国偷自产AV一区二区三区健身房 | 日日摸夜夜添无码AVA片 | 大胸年轻继坶2韩伦影院 | 好男人资源影院 | 久久久久免费精品国产小说 | 国产成人无精品久久久 | 国产三级日本三级韩国三级在线观看 | 久草在线精品ac | 午夜福利体验试看120秒 | 亚洲欧洲日产国无高清码图片 | 高清波多野结衣一区二区三区 | 丝袜在线视频 | 国产免费又色又爽又黄的小说 | 久久亚洲精品无码A片大香大香 | 欧美性做爰又大又粗又长 | 最新黄色地址 | 波多野结衣一区二区 三区 波多野结衣一区二区 | 亚洲欧美一区二区三区久本道 | 色天天干 | 国产一卡2卡3卡四卡国色天香 | 丁香花chengren| 一区三区三区不卡 | 国产人A片在线乱码视频 | 色欲国产麻豆一精品一AV一免费 | 一级二级毛片 | 国产精品久免费的黄网站 | 婷婷激情网站 | 九九九精品午夜在线观看 | 日韩经典欧美精品一区 | 三级黄rlri看三级黄 | 精品人妻无码一区二区三区狼群 | 少妇人妻好深太紧了A片乚 少妇人妻千子深太紧了A片 | 久久午夜精品 | 中文字幕视频在线免费观看 | 国产精品人人爽人人做 | 午夜宅宅伦电影网中文字幕 | 国产成人综合精品 | 91精品国产91久久久久久最新 | 日本成人高清视频 | 成年18网站免费视频网站 | 日日天天 | 一个人看的视频在线观看高清 | 日韩二三区 | 亚洲午夜精品A片久久WWW慈禧 | 麻花传媒MV一二三区别在哪里看 | 欧洲最新一卡二卡三卡四卡 | 色wyt| 中文字幕在线视频播放 | 男女久久久国产一区二区三区 | 色偷偷亚洲女人天堂观看欧 |