四烷锗烷

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(169) / 评论(0) 分类 Scientific American(一)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 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! Thank you!

发表于:2018-12-30 / 阅读(150) / 评论(0) 分类 单词解析速记

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(148) / 评论(0) 分类 医务英语

In time now for three of the countrys best radio talk show hosts to join me, Mark Simone WABC, New York, Charles Goyette KFNX, Phoenix, Arizona and in Chicago, WGN Steve Cochran. Good to have you gentlemen with us Steve, let's start with you ---- Gay

发表于:2019-01-06 / 阅读(143) / 评论(0) 分类 访谈录

By David Gollust State Department 08 March 2007 Secretary of State Condoleezza Rice's top Iraqi affairs adviser says U.S. diplomats are prepared to raise concerns over Iraq directly with Iranian and Syrian counterparts at a Baghdad conference Saturda

发表于:2019-01-07 / 阅读(156) / 评论(0) 分类 2007年VOA标准英语(三月)

5 Threats to Your Job-Hunting Stamina 考验求职耐力的5大危害 Marathon runners know that the key to crossing the finish line first isn't brute strength but stamina. The same goes for the job hunt. 马拉松选手都知道要跨越终点线的第

发表于:2019-02-04 / 阅读(176) / 评论(0) 分类 英语新闻

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(180) / 评论(0) 分类 万物简史
学英语单词
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