na. 〈美〉(包装牛奶或饮料的)四面体纸板盒(亦作 Tetra pack)
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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

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

By Lisa Schlein Geneva 04 August 2007 The United Nations Children's Fund says it is concerned that tens of thousands of primary school children in flood-stricken parts of Pakistan will miss out on school, because it has not received much-needed fundi

发表于:2019-01-09 / 阅读(89) / 评论(0) 分类 2007年VOA标准英语(八月)

Pakistan's President Pervez Musharraf has made his first public remarks since political opponents announced their intention to impeach him. In a televised speech marking Pakistan's 61st independence anniversary, the president called for political re

发表于:2019-02-03 / 阅读(56) / 评论(0) 分类 VOA标准英语2008年(八月)

Photo: AP People transport a victim of suicide bombing at a local hospital in Bannu, Pakistan, 01 Jan 2010 A suicide bomber set off an explosive-laden vehicle on a field during a volleyball match in northwestern Pakistan, killing at least 88 people.

发表于:2019-02-12 / 阅读(51) / 评论(0) 分类 VOA标准英语2010年(一月)

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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