枪击后，他在地上发现了一个子弹壳。
He found a bullet casing on the ground after the shooting.
关于哥伦拜恩枪击事件的纪录片仍在制作中。
Documentaries about the Columbine shooting are still being made.
近年来，美国大规模枪击事件的数量迅速增加。
The number of mass shooting in the US has quickly increased in recent years.
他们的父母担心他们会被枪击、殴打或触犯法律。
Their parents worry about them getting shot, beaten up or in trouble with the law.
2012年，她在乘坐校车回家时遭到枪击，伤势严重。
In 2012, she was shot and seriously injured when she returned home on the school bus.
