prepectus

例句：

1. 1. The doctor examined the patient's chest and found a prepectus.
   医生检查了患者的胸部，发现了一个胸骨突起。
2. 2.The patient was taken to the operating room for surgery on his prepectus.
   患者被送往手术室，对他的胸骨突起进行了手术。
3. 3. The patient's prepectus was removed during the operation.
   在手术中，患者的胸骨突起被移除。