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AS IT IS 2015-04-30 UN: Little Progress in Fighting Asian Drug Trade 联合国表示在打击亚洲毒品交易方面进展不大 Trafficking of synthetic, or man-made, drugs is growing across much of Southeast Asia. United Nations officials say the

发表于:2018-12-08 / 阅读(82) / 评论(0) 分类 2015年VOA慢速英语(四)月

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

发表于:2018-12-18 / 阅读(149) / 评论(0) 分类 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

发表于:2018-12-24 / 阅读(120) / 评论(0) 分类 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

发表于:2018-12-28 / 阅读(95) / 评论(0) 分类 初学者听力文摘精选

Every day people come to soak in Hot Creek, a place to rest, created by geologic unrest. Sudden geyser eruptions, driven by heat from magma below the Earth surface, can change water temperatures so fast that going into the water is not recommended.

发表于:2018-12-30 / 阅读(125) / 评论(0) 分类 国家地理2008年

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

发表于:2018-12-31 / 阅读(94) / 评论(0) 分类 英语听力文摘 English Digest

Scientists Seek Earthquake Warning Signs for Short-Term Alerts 科学家通过短期预警寻求地震警报信号 The massive recent earthquakes off Indonesia might not have killed so many if they co

发表于:2019-01-03 / 阅读(147) / 评论(0) 分类 VOA2005(上)--环境科学探索

Planktonic - a form of life style in which an organisms floats freely in a fluid without significant attachment or association with other living forms. Plaque is a film of bacteria in a matrix of sali

发表于:2019-01-03 / 阅读(166) / 评论(0) 分类 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

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 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

发表于:2019-01-08 / 阅读(141) / 评论(0) 分类 Scientific American(十一)月

US Calls for Egyptian Voting Free From Intimidation Following el-Sissi Bid 美国呼吁埃及举行自由公平选举 ROME Egyptian General Abdel Fattah el-Sissi's decision to run for president comes as the United States is pushing Cairo to improve i

发表于:2019-01-14 / 阅读(109) / 评论(0) 分类 VOA标准英语2014年(四月)

If you sucked all of the moisture out of your brain and broke it down to its constituent nutritional content, what would it look like? 如果将你大脑里所有的水分都吸干,然后按不同的营养成分进行分类,会是怎样呢? Mos

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 TED演讲教育篇

Every day people come to soak in Hot Creek, a place to rest, created by geologic unrest. Sudden geyser eruptions, driven by heat from magma below the Earth surface, can change water temperatures so fast that going into the water is not recommended. B

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 自然百科2008年

Science and Technology 科技 Fossil feathers 羽毛化石 Not just for the birds 并非鸟类独有 A trove of fossils sheds light on the evolution of feathers 珍贵羽毛化石的发现能够更好地阐释羽毛的进化过程 THE fossil record i

发表于:2019-01-26 / 阅读(107) / 评论(0) 分类 经济学人科技系列

US, Russia Reach Syrian Chemical Arms Deal 美国、俄罗斯达成叙利亚化学武器交易 GENEVA The United States and Russia have agreed on a framework for ending Syria's chemical weapons program. They will push for a U.N. resolution enforcing

发表于:2019-02-01 / 阅读(107) / 评论(0) 分类 VOA常速英语2013年(九月)

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

发表于:2019-02-04 / 阅读(268) / 评论(0) 分类 英语新闻

Ravens Crow with Individual Flair There's a well-known conspiracy of ravensthat's what you call a group of ravensthat likes to hang out near a zoo in the Austrian Alps. Every day these ravens conspire to steal the food that's set out for the wild boa

发表于:2019-02-14 / 阅读(140) / 评论(0) 分类 2018年科学美国人3月
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