单词：varuna Anopheles
[医] 印神按蚊
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Medical science has eliminated only one disease, smallpox. Bill and Melinda Gates called last year for a campaign to stop malaria. But experts differ on the idea. Some say existing measures could reduce cases by 90 percent. Transcript of radio broad
发表于:2019-01-07 / 阅读(40) / 评论(0)
VOA慢速英语2008年（七）月
VOA慢速英语2008年（七）月
SCIENCE IN THE NEWS -June 4, 2002: Malaria By Oliver Chanler VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Special English program about recent deve
发表于:2019-01-11 / 阅读(60) / 评论(0)
科技之光
科技之光
Microbe Could Help Battle Malaria Researchers have discovered a bacterium in the gut of the Anopheles mosquito which may someday be used to destroy and, therefore, prevent the spread of the disease-causing parasite. The World Health Organization esti
发表于:2019-01-14 / 阅读(37) / 评论(0)
VOA标准英语2011年(五月)
VOA标准英语2011年(五月)