单词：bicyclic diterpene
单词：bicyclic diterpene 相关文章
By Cynthia Kirk ENVIRONMENT REPORT -July 5, 2002: Conditions in China This is the VOA Special English ENVIRONMENT REPORT. Environmental officials in China say the government has taken steps to reduce
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This is the VOA Special English Agriculture Report. In nineteen ninety-four, animal health experts started a worldwide campaign to end rinderpest. This disease is closely related to the measles virus but it does not infect people. Yet for thousands o
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Pastoralists Played Major Role in Ending Rinderpest In June 2011, the U.N. Food and Agriculture Organization officially declared that the deadly animal disease rinderpest had been eradicated. The disease devastated livestock and lingered in Africa lo
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By Jessica Berman Washington 04 October 2007 Fifty years ago, on October 4, 1957, the former Soviet Union launched the first man-made satellite into Earth's orbit, called Sputnik , which began a space race with the United States. While the intense co
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一般入学程序都要交学费及填不少申请表格，例如学生证、申请宿舍等。我跟朋友说：I waited in the student affairs office in a crowded condition．但同学Gloria则指我说错了，condition一字应用复数condition
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