青蒿素
词型变化:名词复数形式 : artemisia annuas

A vast sea of white-cloaked pilgrims gathered inside and outside the Namera mosque on Mount Arafat to hear the afternoon call to prayer on the second day of the annual Muslim pilgrimage to Mecca. Edward Yeranian | Cairo, Egypt 26 November 2009 Musli

发表于:2018-12-16 / 阅读(43) / 评论(0) 分类 VOA标准英语2009年(十一月)

[00:00.00]The World Is Getting Smaller and Smalle [00:03.87]With the rapid development of technology,modern means of transportation is more and more advance [00:11.44]For instance,in 6000 BC,the fastest transportation available to man over long dista

发表于:2018-12-30 / 阅读(33) / 评论(0) 分类 英语六级听力练习集锦

[00:00.00]Motorcycles and City Traff [00:03.81]Past surveys have shown that the use of motorcycles is becoming more and more widespread in China in recent year [00:12.51]In 1993,for instance,there were about 40,000 registered motorcycles in Shangha [

发表于:2018-12-30 / 阅读(74) / 评论(0) 分类 英语六级听力练习集锦

By Zulima Palacio Washington 15 March 2007 watch Artemisinin and Malaria Artemisia plant Artemisia plants grow in many parts of the world, and many varieties have long been known to have medicinal properties. One particular variety, Artemisia annua

发表于:2019-01-11 / 阅读(83) / 评论(0) 分类 2007年VOA标准英语(三月)

World Team Tennis held its 18th annual Smash Hits fundraising event on November 15, co-hosted by British pop singing star Elton John and U.S. tennis legend Billy Jean King. And for the first time, Washington served as center court. It was a night tha

发表于:2019-01-14 / 阅读(70) / 评论(0) 分类 VOA标准英语2010年(十一)月

By Jim Malone Washington 13 December 2007 The U.S. presidential contenders are focused on the Midwest state of Iowa, where the first test of the 2008 presidential campaign will take place three weeks from now on January 3. VOA National correspondent

发表于:2019-01-31 / 阅读(66) / 评论(0) 分类 VOA常速英语2007年(十二月)

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Art is, and always was, at the se

发表于:2019-02-14 / 阅读(57) / 评论(0) 分类 环球英语 Spotlight
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absolute coordinate system
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espouser
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in the biblical sense
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