单词:tetramerise
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IN THE NEWS - Romney Says He Will 'Restore the Promise of America' 新闻报道 - 罗姆尼表示将重塑美国希望 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 MITT ROMNEY: Mr. Chairman, delegates,
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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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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