英国培育出不传播禽流感的鸡 BBC News with Michael Powles President Zine El Abidine Ben Ali of Tunisia has announced that he'll not stand for re-election in 2014. The president, who has enjoyed almost unchallenged power for more than 20 ye...
农业报道 - 使用手机视频在非洲传播农业知识 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Mobile phones are an important business tool for farmers in rural areas. But they also p...
72 一种危害大麻哈鱼的病毒在缅因州东北部迅速传播 ENVIRONMENT REPORT- September 28, 2001: Virus Killing SalmonBy Cynthia Kirk (Start at 1'01" )This is Bill White with the VOA S...