lower jaw bone

• 下颌骨

lower jaw bone的用法和样例：

例句

1. Your jawbone is the hardest bone in your body.
   你的下颌骨是身体里最坚硬的骨头。
2. 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。