concussion|concussions

他在足球比赛中头部受到撞击，导致了轻微脑震荡。

He suffered a mild ___concussion after a head collision during the soccer game.

多次的撞击造成的震荡让他的头部受伤了。

The repeated ___concussions from the crashes caused injuries to his head.

她在足球比赛中头部受到撞击，被诊断为轻微脑震荡。

She was diagnosed with a mild ___concussion after hitting her head during the soccer game.