单词：3-methoxy-4-hydroxy phenylglycol (mhpg)
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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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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
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86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson （Start at 1'02
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Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol
医务英语
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
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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
Jefferson Suspends Trade with Europe - Pgm No.34 From VOA Learning English, welcome to The Making of a Nation, our weekly program of American history for people learning English. Im Steve Ember. Last time, we talked about the presidential election of
2013年VOA慢速英语(六)月
Jefferson Arranges Louisiana Purchase - Pgm No.33 From VOA Learning English, welcome to The Making of a Nation, our weekly program of American history for people learning English. Im Steve Ember. Weve been discussing the presidency of Thomas Jefferso
2013年VOA慢速英语(六)月
Jefferson Moves to Cut Debt, Spending - Pgm No. 32 Learning English, welcome to THE MAKING OF A NATION, our weekly program of American history - for people learning English. I'm Steve Ember. In our last program, we talked about President Thomas Jeffe
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Obama to Visit Malaysia Amid MH370 Criticisms 奥巴马访问深陷MH370漩涡的马来西亚 KUALA LUMPUR President Barak Obama heads to Malaysia this weekend, where the host governments handling of the disappearance of the Malaysia Airways flight h
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汪培珽分级书单七 Shipwreck on the Pira
Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! 汪培珽分级书单（MP3+绘本） 新概念英语动画（合集）
汪培珽分级书单七 Shipwreck on the Pira
Raw anti-drug campaign awakens state Ted Landphair | Missoula, Montana 04 February 2010 Photo: Montana Meth Project Adults across Montana were frightened by what they were seeing. Some hardly recognized their meth-addled teenagers. Related Links Mont
VOA标准英语2010年(二月)
The Buk missile that downed flight MH17 was brought from Russia and fired from a region in eastern Ukraine controlled by pro-Russian rebels, according to a report of the Joint Investigation Team (JIT) released. 根据日前公布的一份联合调查团
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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
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Different laws around the world have historically affected payouts following air disasters. Zhu Ziqin, a professor from China University of Political Science and Law, says an international treaty known as the Montreal Convention stipulates that airli
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LONDON, April 9 (Xinhua) -- British Royal Navy survey ship HMS Echo and submarine HMS Tireless continued their hunt for the Malaysia Airlines Boeing 777 that went missing on March 8, the British Ministry of Defense (MoD) announced Wednesday. British
英语新闻
Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. A small candle burns. It re
环球英语 Spotlight