近年来，美国的大规模枪击事件迅速增加。
The number of mass shooting in the US has quickly increased in recent years.
在康涅狄格州小学大规模枪击事件四个月后商议开始。
Deliberations come four months after a mass shooting at a Connecticut elementary school.
骑手人数与12月在桑迪胡克小学大规模枪击案中的遇害人数一样。
There is one rider for each victim of December's mass shooting at Sandy Hook Elementary School.
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