单词：phenyl-sulfhydrate
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121.Lets go to the beach for the long weekend. 让我们去海滩度过这个悠长的周末吧。 122.My school has 3 weeks for winter vacation. 我 学校 寒假放三个星期。 123.I went to Thailandv for vacation. 我是去泰国度的假。 124.My favorite holiday is Christmasw.
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A: Have you heard who got elected? B: No, who won? A: Our new President is John McCain. B: What? You cant be serious! A: I was just as shocked when I found out. B: Why would anyone vote for McCain? A: The people have spoken. B: Thats horrible. A: If
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Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
万物简史
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
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(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
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its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
英语听力文摘 English Digest
我们每天都不假思索地免费使用地球上的资源。如果我们必须为此支付一定款项，我们是不是会更珍惜这些资源并减少浪费呢？作为一个大自然的银行家，Pavan Sukhdev为地球上的资源估了价。启
TED公开课:环境 重造计划
QINGDAO, China, May 29 (Xinhua) -- China was crowned the Sudirman Cup world mixed team badminton champion for the fourth straight time by cruising past Denmark 3-0 here on Sunday. It is China's second fourth straight win at Sudirman Cup as the powerh
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This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Scientific American(四)月
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
Scientific American(十一)月
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
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If the hero never comes to you If you need someone youre feeling blue If you wait for love and youre alone If you call your friends nobodys home You can run away but you cant hide Through a storm and through a lonely night Then Ill show you theres a
影视英文歌曲
THIS IS AMERICA - These Are Not Your Usual Businesses BOB DOUGHTY: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty. FAITH LAPIDUS: And I'm Faith Lapidus. This week on our program, we meet an American in Italy who teaches travelers
2012年VOA慢速英语(一)月
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
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
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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