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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
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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
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By Naomi Martig Hong Kong 20 March 2008 Stock markets in Asia remain jittery, with fears of a U.S. recession continuing to cause major market fluctuation. As Naomi Martig reports from Hong Kong, financial analysts say that this may be the beginning o
VOA标准英语2008年（三月）
Iranian President Mahmoud Ahmadinejad addressed thousands of flag-waving supporters at a victory rally to celebrate being officially proclaimed winner of Friday's election, despite widespread accusations of fraud. Supporters of Iranian President Mah
VOA标准英语2009年(六月)
dinks sandwich generation 我们上次给大家介绍了baby boomers和yuppies。 这是两个反映美国社会变化的习惯用语。今天我们再给大家讲两个这方面的俗语。在第二次
美国习惯用语
The Edinburgh International Festival is over fifty years old and has earned its reputation as one of the world's greatest celebrations of the arts. The founders of the Festival believed that the Festival programmes should be of the highest possible a
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Jordin Sparks在她会说话之前, Jordin 的歌声就频频出现在电视和广播里, 三岁的时候就在她妈妈的磁带里清脆放音. 在小学时她用厨房当排练室，站在橱柜上练声，初中时在教堂唱诗班唱歌, 并乐此不疲。 2006年九月，她陆续赢得了亚利桑那偶像，西雅图偶像，接着在那里获得
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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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