单词：water contact resistance
单词：water contact resistance 相关文章
This is the VOA Special English Agriculture Report. People can get sick if they eat food touched by floodwaters. Floodwater may contain human and animal wastes, and other pollutants like agricultural and industrial chemicals. The University of Iowa
VOA慢速英语2008年（十二）月
Unit 108：Get into the swim 第108单元：游泳去 One of the best all-around exercises,swimming increases both cardiovascular and muscle strength. 游泳能促进心血管及肌肉的耐力，是最佳的全身运动之一。 There is hardly any
减肥瘦身英语口语话题
今天，我们聊聊美瞳 美瞳是好多女生的潮流物件，拿来自拍也美美哒。不过美瞳是属于最高危险级别的医疗器械，你了解吗？ 出门在外，忘记带护理液了，顺手拿矿泉水冲一冲美瞳，这样根本
早安英文
The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo
VOA标准英语2008年（九月）
Rob: Hello! Im Rob and this is 6 Minute English. Im joined today byAlice. Hello Alice. Alice: Hi Rob. Rob: Today, were talking about alien life form and who on planet earth wouldaliens speak to if they one day made contact? Alice: Alien life form. Th
六分钟英语
This is Scientific American's 60 seconds science. I'm Kellen Horgon. This will just take a minute. Have you ever wondered what happens to mosquitos in the rain, a raindrop is like 15 times heavier than those little suckers. So getting hit by one, he'
Scientific American(六)月
AGRICULTURE REPORT – October 29, 2002: Pest Management By Gary Garriott This is the VOA Special English Agriculture Report. Since nineteen-forty-five, farmers have used pesticides, poisons made from
农业与发展
This is the VOA Special English Development Report. Food that has come in contact with floodwaters can sicken anyone who eats it. Water from floods may contain animal and human waste. It can also contain other pollutants like chemicals from agricultu
2010年VOA慢速英语(七)月
Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi
VOA标准英语2012年(一月)
Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so
VOA标准英语2010年(五)月
Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol
2015CRI中国国际广播电台
To make sure Kepler's truely found a planet, scientists are using one of the largest earth-based telescopes for conformation. This telescope will also determine the planet's mass and distance from its star. Scientists are most interested in the small
自然百科2010年
Those planets are all going to be so hot, and you cant develop something as complex as life. Scientists have gone back to the drawing board, looking to find worlds capable of supporting life, small rocky planets like earth. We dont know that life has
自然百科2010年
Water allows the sand grains to flow to gather and intermingle and form more complex structures. In the same way, water acts like a cocktail mixer, allowing the atoms and molecules to come together, and also may form the building blocks of life. All
自然百科2010年
英语学习笔记： drop somebody a line = contact somebody 通常指写信，留纸条或者电话联系某人 at the drop of a hat a. 指一个脾气一触即发的人/ b. 毫不迟疑地，一有机会就立即行动 a drop of water 一滴水 a
早安英文
Juninho reveals contact with Chelsea's Malouda about Brazil move RIO DE JANEIRO, Oct. 22 (Xinhua) -- Former Brazil international midfielder Juninho has revealed that he has spoken to Chelsea's Florent Malouda in a bid to bring the midfielder to Vasco
英语新闻
爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w
好听的英文歌曲
H1N1的预防英语对话 H1N1是一种病毒，是Orthomyxoviridae系列的一种病毒。它的宿主是鸟类和一些哺乳动物。几乎所有甲型的H1N1病毒已被隔离，野生鸟类出现疾病属罕见。有些H1N1病毒引起严重的疾
实用英语
On our last program, we learned how water bugs manage to stand on the surface of a pond: The pads of their feet resist contact with the water just like wax paper does. This allows the bug to rest on the thin film of surface tension that naturally cov
英语时差8，16
台湾籍旅美老师今天交给我们的句子是： Unprotected sex and contaminated needles are the leading cause of transmission. It, fortunately, cannot spread through air, water, or casual contact. 没有防护措施的性爱、受感染的针头
留美老师带你每日说英文