sprain

1. V-T If you sprain a joint such as your ankle or wrist, you accidentally damage it by twisting it or bending it violently. 扭伤 (关节)

He fell and sprained his ankle. 他跌了一跤，扭伤了脚踝。

2. N-COUNT A sprain is the injury caused by spraining a joint. 扭伤

Rubin suffered a right ankle sprain when she rolled over on her ankle. 鲁宾摔倒时身体压到了脚踝上导致右脚踝扭伤。