air-feed leg drill

例句：

1. 1.The air-feed leg drill is a crucial part of the training program for athletes.
   空气供氧腿蹬训练是运动员训练计划中至关重要的一部分。
2. 2. During the air-feed leg drill, the athletes are required to perform specific exercises to improve their endurance.
   在空气供氧腿蹬训练期间，运动员被要求执行特定的练习以增强他们的耐力。
3. 3. The air-feed leg drill has been shown to significantly reduce the risk of injury in sports.
   空气供氧腿蹬训练已被证明可以显著降低运动中受伤的风险。