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(71) / 评论(0) 分类 Scientific American(一)月

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(60) / 评论(0) 分类 医务英语

ANKARA, Oct. 11 (Xinhua) -- China's Huang Guangyuan won the first place in men's Nanquan competition in the 11th World Wushu Championships (WWC) held in Turkish capital Ankara, the WWC organizing committee announced on Tuesday. Huang recorded the hig

发表于:2019-01-09 / 阅读(66) / 评论(0) 分类 英语新闻

The port city of Quanzhou was the starting point of China's ancient maritime Silk Road, and it was also the country's biggest and one of the world's largest trading seaports during the Song and Yuan dynasties. Bustling trade led to the merging of dif

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By Deborah Tate 07 April 2006 Sweeping immigration reform legislation hit a roadblock in the U.S. Senate Friday, when a series of procedural votes failed to move the measure forward. Senate leaders ho

发表于:2019-02-05 / 阅读(119) / 评论(0) 分类 2006年VOA标准英语(四月)

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

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