阿塞拜疆航空客机坠毁，调查指向俄罗斯防空系统 - 纽约时报双语版
As authorities in several countries tried to determine what caused the deadly crash of a passenger airplane in Kazakhstan, investigators and experts on Thursday were focusing on the possibility that a Russian air defense system had struck the plane. 随着多国政府试图确认哈萨克斯坦一架客机致命坠毁的原因，调查人员和专家周四将关注焦点放在了讨论俄罗斯防...
