By David McAlary Washington 14 March 2007 International financier George Soros is giving $3 million to help public health experts fight a lethal, drug-resistant form of tuberculosis in sub-Saharan Africa. VOA's David McAlary in Washington reports tha

发表于:2019-02-06 / 阅读(83) / 评论(0) 分类 2007年VOA标准英语(三月)