spraints

例句：

1. 4. 例句：1. She sprained her ankle when she fell off the bike.
   她从自行车上摔下来时扭伤了脚踝。
2. 2. He strained his back lifting heavy boxes.
   他因为搬重箱子而拉伤了背部。
3. 3. The player sprained his knee during the game.
   比赛中球员扭伤了膝盖。