lower jaw bone
英
美
- bone n.骨骼；骨；核心vt.除去骨头；往衣服里加撑条；磨光表面vi.努力学习adv.非常地；极其地
- jaw n.颚；颌；下巴；钳口；说教v.喋喋不休；教训
- lower adj.低的；下级的；下层的v.降低；减弱；跌落
- Your jawbone is the hardest bone in your body.
你的下颌骨是身体里最坚硬的骨头。
- Bones are located in the jaw, lips, tongue and eyebrows.
把骨架定位于下颌骨，嘴唇，舌头和眉毛。
