单词：vigilance device
单词：vigilance device 相关文章
Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr
VOA2003（上）-健康资讯
By Ron Corben Bangkok 23 January 2007 Duck farmer looks to her duck receiving vaccination from Agricultural officials and volunteers in Penati, Bali, Indonesia, 23 Jan 2007 Fresh outbreaks of bird flu have triggered a renewed United Nations call for
2007年VOA标准英语（一月）
India government officials say they have ordered closer surveillance of land borders amid concerns of more potential terrorist strikes inside the country by militants infiltrating from either Bangladesh or Pakistan. India has increased vigilance alo
VOA标准英语2008年(十二月)
By Dan Robinson Capitol Hill 16 November 2007 A group of Democrats in the U.S. House of Representatives is repeating concerns about the possibility of military conflict with Iran. VOA's Dan Robinson reports, lawmakers met with reporters, at the start
VOA常速英语2007年（十一月）
By Dan Robinson Capitol Hill 06 June 2007 U.S. health and government officials are pledging to tighten procedures in the wake of an incident in which a man infected with a drug-resistant form of tuberculosis was able to travel out of the United State
2007年VOA标准英语（六月）
An internal Defense Department probe of last November's deadly shooting spree at Ford Hood, Texas, urges military commanders to do a better job of looking for potential threats within their own ranks. Thirteen people died and more than 30 were wounde
VOA标准英语2010年(一月)