head of mandible

例句：

1. 1. The dentist examined the patient's mandible and found no fractures.
   牙医检查了患者的下颌，发现没有骨折。
2. 2. The artist used a mandible to create the sculpture.
   艺术家使用下颌创作了这个雕塑。
3. 3. The mandible is responsible for chewing and biting food.
   下颌负责咀嚼和咬食物。