单词：incipient macroevolution (goldschmidt)
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Fingers are pretty nifty. They let you to grab a latte, type on a keyboard, even pull up your pants. But did you ever wonder: where do fingers come from?
Scientific American(九)月
dawdle /'dɔ:dl/ My sister dawdles over the dishes. Mother gets them done without wasting time. -- waste time; loiter; idle ﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌ vi. 浪费时间；闲荡 我妹妹洗起盘子来慢
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Medical doctors are, by tradition, expected to be incorruptible. I found it incredible, therefore, to learn of recent reports that suggest an inclination to ignore patients needs, in favour of kickbacks from pharmaceutical companies. It appears that
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The U.S. housing sector remains weak, two years into an unprecedented decline. House prices, house sales, and house construction are all continuing to fall. Houses for sale in Denver, Colorado Home prices in the United States have fallen over eight
VOA标准英语2008年(十二月)
SCIENCE IN THE NEWS - AIDS Study Finds Big Risk in Taking Breaks From Drugs to Treat H.I.V.By Caty Weaver and George Grow Broadcast: Tuesday, February 14, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN TH
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Of the two, Cope's scientific legacy was much the more substantial. In a breathtakingly industrious career, he wrote some 1,400 learned papers and described almost 1,300 new species of fossil (of all types, not just dinosaurs)more than double Marsh's
万物简史
Hmm, my, you should take this to the security guards, hmm, theres quite a bit of cash in here, yes, the man wears thick glasses and peers at Henry through them as he speaks and Henry reaches around under the mans jacket and steals his wallet. Since H
时间旅行者的妻子
By Mike O'Sullivan Los Angeles 18 January 2006 Scientists who study human development have always faced a dilemma. The need to procreate and protect our genetic offspring can be overridden in humans w
2006年VOA标准英语（一月）
The U.S. housing sector remains weak, two years into an unprecedented decline. House prices, house sales, and house construction are all continuing to fall. 美国的房屋市场依然疲软，房价已经史无前例地连续两年下跌。美国的房
VOA双语新闻 2008年12月
Meet Chihira Junco, a tourist greeter at a shopping mall in Tokyo. 来见见地平Junco(Chihira Junco)吧，她是东京一个购物中心的游客迎宾员。 In her crisp blue button-down shirt, white blazer and pinstripe skirt, she stands in sensi
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