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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,

发表于:2018-12-07 / 阅读(34) / 评论(0) 分类 2012年VOA慢速英语(八)月

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(84) / 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(74) / 评论(0) 分类 医务英语

SCIENCE IN THE NEWS - October 1, 2002: Alzheimer’s Disease By Oliver Chanler VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English progra

发表于:2019-01-30 / 阅读(79) / 评论(0) 分类 科技之光

PEOPLE IN AMERICA -June 2, 2002: Cochise By Vivian R. Bournazian VOICE ONE: PEOPLE IN AMERICA, a program in Special English on the Voice of America. (THEME) During the eighteenth century Indians tried

发表于:2019-01-30 / 阅读(277) / 评论(0) 分类 People in America

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

发表于:2019-02-17 / 阅读(87) / 评论(0) 分类 万物简史
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