单词：occluded virus
单词：occluded virus 相关文章
Incredibly, whales are closely related to hoofed animals, in particular, the pig and the hippo. 很难相信，鲸类跟有蹄类动物的关系非常接近，特别是，猪和河马。 55 million years, the actual evolutionary origins of whales and
侏罗纪搏击俱乐部
SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE
科技之光
WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that
VOA2004（上）--各类新闻
by Jill Moss Broadcast: July 23, 2003 This is Bill White with the VOA Special English Health Report. A medical company in Australia, PanBio, has developed a new test for West Nile 1)virus. The test ex
VOA2003（下）-环境与健康
CANBERRA, Sept. 6 (Xinhua) -- A rare virus that can be contracted by humans has killed a large number of Victorian pigeons after being detected in the Australian state for the first time, Agriculture Department confirmed on Tuesday. According to the
英语新闻
By Steve Herman New Delhi 01 January 2008 India remains one of the few countries where polio has not been eradicated. Most of the world's new cases are reported in the subcontinent. While the total number of cases dropped in India last year, VOA cor
VOA标准英语2008年（一月）