弄伤了背的

例句：

1. 1.The car accident injured several people.
   车祸伤害了几个人。
2. 2. He was severely injured in the battle.
   他在战斗中严重受伤。
3. 3. The scientist's research could potentially injure the environment.
   科学家的研究可能会对环境造成潜在伤害。