单词：malignant smallpox
单词：malignant smallpox 相关文章
The History Of Smallpox天花的历史（双语） In Shakespeares day, wishing a pox on someone was a terrible curse. Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by airborne particles or co
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[00:20.37]史蒂文Jobs（Steven Jobs） [00:34.63]词汇扫描 [00:38.66]diagnose 诊断 [00:44.39]In mid-2004, Jobs announced to his employees [00:49.39]that he had been diagnosed with a malignant tumor [00:53.71]in his pancreas. [00:55.87]The prognosis for p
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DEVELOPMENT REPORT – February 4, 2002: WHO and Smallpox By Jill Moss This is the VOA Special English Development Report. The World Health Organization has delayed the destruction of the last remaini
农业与发展
By Michael Bowman Washington 20 May 2008 One of America's best-known political figures, Massachusetts Senator Edward Kennedy, has been diagnosed with a malignant brain tumor. VOA's Michael Bowman reports from Washington, the diagnosis comes days afte
VOA标准英语2008年（五月）
Researchers have developed an improved version of the smallpox vaccine that can be combined with a vaccine against anthrax. The dual vaccine represents a significant scientific achievement as well as a possible improved defense against biological att
VOA标准英语2010年(十)月
HEALTH REPORT - October 16, 2002: Debate About Smallpox Vaccine By Nancy Steinbach This is the VOA Special English Health Report. American medical groups are urging the government to limit the use of
健康与环境