单词：bismuth oxyhydrate
单词：bismuth oxyhydrate 相关文章
(MA) Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate
托福听力短文
86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson （Start at 1'02
科技之光
Japan said Tuesday it had successfully extracted methane hydrate, known as fire ice, from its seabed, possibly unlocking many years' worth of gas for the resource-starved country. In what they are claiming as a world first, a consortium is drilling f
英语阅读理解
Ben Carter Powdered material called dry water, could provide a new way to store carbon dioxide in an effort to fight global warming. Dry water looks a lot like fine white sand, which isn't surprising since what makes it dry is that each tiny water dr
VOA标准英语2010年(九)月
It's very hard to tell. We've just hit the water. It's very hard to tell what altitude we're at. We've crashed the airplane at 930 feet. It seems clear that flying into that methane caused enough confusion in the instruments and with Thomas and he en
自然百科2010年
Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n
英语听力文摘 English Digest
Solar power 太阳能 The third way 第三种方法 A new method of making electricity from sunlight has just been tested 一种从太阳光得到能源的新方法正在尝试 AT THE moment, there are two reliable ways to make electricity from sunli
经济学人综合
Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the
英语博客 A cup of English
By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi
2007年VOA标准英语（五月）
Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in
英语博客 A cup of English
本期内容： How much you sweat doesn't necessarily correlate with the intensity of your workout. It is due to a number of factors, including gender (men tend to sweat more than women) and age (younger people sweat more than older people) as well
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