prebone

例句：

1. 1. The surgeon removed the prebone to repair the fracture.
   外科医生移除了前骨来修复骨折。
2. 2.The patient's prebone was exposed during surgery.
   患者在手术中暴露了前部骨头。
3. 3. The anatomy class discussed the structure and function of the prebone.
   解剖学课上讨论了前部骨头的结构与功能。