下肢

例句：

1. 1. He was injured in the leg during the race.
   他在比赛中腿部受伤了。
2. 2. The doctor advised him to exercise regularly to maintain his health.
   医生建议他定期锻炼以保持健康。
3. 3. She limped down the stairs with a limp after her accident.
   她在事故后一瘸一拐地走下了楼梯。