bone crepitation

例句：

1. 1. Thedoctor examined the patient's bones andfound no signs of bone crepitation.
   医生检查了患者的骨骼，没有发现任何骨摩擦声的迹象。
2. 2. The old man had apainful bone crepitation in hisback.
   老人的背部有一块疼痛的骨头摩擦声。
3. 3. The sound of bone crepitation is often heard during a person's sleep.
   在人的睡眠过程中，常常可以听到骨头摩擦声。