单词：confluent smallpox
单词：confluent 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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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
HIV Vaccine Research 艾滋病疫苗研究 Two years ago, Jason Brenchley took part in an HIV vaccine trial sponsored by the U.S. National Institutes of Health. An NIH researcher himself, Mr. Brenchle
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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
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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
sea 海 high seas, open sea 远海 ocean 大洋 inlet 小湾 bay 海湾,湾 gulf 海湾 cove 湾 cape 海角 promontory, headland 海角,岬 cliff 悬崖峭壁 port, harbour 港 (美作:harbor) bay, roadstead 碇泊处 sandbank 沙滩 beach, shore 海滩 strait 海峡 isthmus 地峡 re
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