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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
说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kiss [ kis ] A soft wind kissed the tr
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
Life in the Fast Lane Now, Words and Their Stories -- a weekly program from VOA Learning English. It can be said that the United States is a driving culture. The U.S., after all, is a big country and many Americans love cars. So, it is no surprise th
今天我们要讲的两个习惯用语里都有一个关键的单词:fast。我们要讲的第一个习惯用语是:Life in the fast lane. 我想大家都知道fast这个词的意思是快,那么lane这个词是什么意思呢?一定有不少人
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