contusion of spinal nerve root

例句：

1. 1.She fell and hit her head on the ground, resulting in a contusion.
   她摔倒了，头撞在了地上，结果受了挫伤。
2. 2. The doctor advised him to rest for a few days after his ankle sprain.
   医生建议他在脚踝扭伤后休息几天。
3. 3.He applied ice packs to his bruised knee to reduce swelling.
   他给瘀伤的膝盖敷冰包以减轻肿胀。