单词：infectious sinusitis virus of turkeys
单词：infectious sinusitis virus of turkeys 相关文章
Ebola outbreaks before the most recent one have been fairly contained: geographically limited, and just a couple hundred cases. The latest outbreak, though, which started in late 2013 and lasted more than two years, was entirely different. There were
2016年Scientific American(十一)月
SCIENCE REPORT - January 2, 2002: New Cold Drug By Nancy Steinbach This is the VOA Special English Science Report. American researchers say they have developed the first drug that can effectively trea
科技之光
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
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: Emergency hospital during 1918 influenza epidemic, Camp Funston, Kansas And I'm Faith Lapidus. This week, our subject is influenza, commonly called the flu. W
VOA慢速英语2008年（一）月
AS IT IS 2014-07-11 Health Ministers Meet in Emergency Ebola Conference 卫生部长召开埃博拉紧急会议 Health ministers from West African countries met in Ghana last week for emergency talks about the Ebola virus. The World Health Organizati
2014年VOA慢速英语(七)月
AS IT IS 2014-09-09 Ebola Vaccine Successful in Monkeys, Humans Next 埃博拉病毒疫苗在猴试获得成功 Researchers have developed an experimental vaccine that protects monkeys against the Ebola virus. They are now testing this vaccine on hum
2014年VOA慢速英语(九)月