单词:biodefenses
[网络] 生物传感器
单词:biodefenses 相关文章
By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode
发表于:2019-01-02 / 阅读(73) / 评论(0)
VOA2003(下)-农业与经济
Australia has opened a new National Center for Bio-Security to build its defenses against infectious diseases and biological weapons. Medical experts say it will help protect the country from threats such as SARS and bird flu as well as attacks by t
发表于:2019-02-06 / 阅读(25) / 评论(0)
VOA标准英语2008年(九月)