单词：Anopheles maculatus
单词：Anopheles maculatus 相关文章
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
VOA慢速英语2008年（七）月
By Melinda Smith Washington 10 July 2007 A recent study in the Journal of the American Medical Association shows that older people who carry certain genes are more susceptible to a loss of their central vision. That loss of sight is an advanced form
2007年VOA标准英语（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
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
VOA标准英语2011年(五月)
HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American
健康与经济