单词：methionine synthetase
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经济学人音频版 Unit5:Leaders-Spain and ETA
经济学人音频版
Researchers Genetically Modify Corn to Increase Nutrition Researchers in the United States say they have discovered how to genetically engineer corn to produce a kind of amino acid usually found in meat. The result is a food with increased nutrition
2017年VOA慢速英语(十)月
IN THE NEWS -January 12, 2002: International Monetary Fund By Caty Weaver This is Steve Ember with the VOA Special English program, In the News. A team from the International Monetary Fund completed a
教育与新闻
《Falling Slowing》夺得第80届奥斯卡最佳电影歌曲奖 And won't return And part of me Wants to hide The part that's burned Once, once Knew how to talk to you Once, once But not anymore Hear the sirens call me home Hear the sirens call me
奥斯卡最佳英文歌曲
BOB DOUGHTY: This is SCIENCE IN THE NEWS, a program in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about the development of what scientists are calling a synthetic cell a cell produced by people inste
2010年VOA慢速英语(七)月
今天我们要学的词是, retain。 Retain, 是保持、保留的意思。在本届女足世界杯上，德国击败巴西，蝉联冠军， Germany retained the Women's World Cup title. 与此同时，美国帆船队在西班牙连续第三次赢得
英语单词荟萃