mandibular tubercle

例句：

1. 1.The mandible is the lower jawbone.
   下颌骨是下颚骨。
2. 2. The mandible plays a crucial role in chewing.
   下颌骨在咀嚼中起着关键作用。
3. 3.The mandible has been reconstructed using 3D printing technology.
   利用3D打印技术重建了下颌骨。