body of sternum

例句：

1. 1. The surgeon removed the sternum to repair the patient's chest injury.
   外科医生切除了胸骨来修复患者的胸部创伤。
2. 2.The patient was in a coma due to a severe trauma to the sternum.
   患者因严重胸骨创伤而处于昏迷状态。
3. 3.The doctor advised the patient to avoid heavy lifting until the sternum healed.
   医生建议患者在胸骨愈合前避免重举。