Emergencies Ministry members gather at the site of a Malaysia Airlines Boeing 777 plane crash near the settlement of Grabovo in the Donetsk region, July 17, 2014. [Photo/Agencies]

　　U.S. officials have confirmed to several media outlets that the Malaysia Airlines passenger plane that crashed near the Ukraine-Russia border Thursday was shot down by a surface-to-air missile.

　　美国官员对多方媒体证实，周四在乌俄边界坠毁的马航客机遭地对空导弹击落。

　　此次坠机事件的相关词汇表达有：

　　Shoot down a passenger plane 击落民航客机

　　surface-to-air missile 地对空导弹

　　The origin of the missile remained unclear. 导弹发射方尚不清楚。

　　deny responsibility 否认对此负责

　　avoid Ukrainian airspace 避开乌克兰领空

　　portable air defense missile 便携式防空导弹

　　All flights should be rerouted 所有航班均需改道

　　Long-range missile 远程导弹

　　Ukrainian military and pro-Russian rebels accuse each other of shooting down the plane 乌克兰军方和亲俄分裂分子互相指责对方击落客机