单词：
单词： 相关文章
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
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
HEALTH REPORT – November 20, 2002: Quick HIV Test By Jerilyn Watson This is the VOA Special English Health Report. The United States Food and Drug Administration has approved a fast new test for H-I
健康与环境
By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce
2007年VOA标准英语（七月）
President-elect Barack Obama is urging Congress to act quickly on his economic recovery program, warning that inaction by Washington could extend the current recession for years. President-elect Barack Obama makes remarks on nation's economy at Geor
VOA标准英语2009年(一月)