sternal body

例句：

1. 1.The doctor examined the patient's sternum to determine the cause of his pain.
   医生检查了患者的胸骨以确定他疼痛的原因。
2. 2. The patient was lying on his back with his sternum exposed.
   患者平躺在背上，胸骨暴露在外。
3. 3.The patient was advised to take a rest and keep his sternum elevated to reduce swelling.
   患者被建议休息并抬高胸骨以减少肿胀。