musculus pectoralis superficialis

例句：

1. 1. The doctor performed a surgery on the patient's chest to repair the damaged musculus pectoralis.
   医生对患者的胸部进行了手术，以修复受损的胸大肌。
2. 2.During the competition, the athletes had to perform their routines with the assistance of the musculus pectoralis.
   在比赛中，运动员们需要借助胸大肌来完成他们的表演。
3. 3. The patient was able to walk again after undergoing surgery on his injured musculus pectoralis.
   经过对受伤的胸大肌进行手术，患者能够再次行走。