n. mandible
misc. the lower jaw
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猫鼬强有力的下颚能够一下子杀死一条蛇。
The mongoose's powerful jaws can dispatch a snake in one blow.
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那位拳击手看准了机会， 猛击对手的下颚。
The boxer saw his chance and struck out at his opponent's jaw.
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刹那间，鲨鱼用它有力的下颚咬住了一条大鱼。
In a flash, the shark caught its victim, a large fish, in its powerful jaws.
下颚是人脸上最大的，最强的和最低的骨骼。它形成下颌并将下牙固定到位。下颌骨位于上颌骨下方。它是头骨中唯一可移动的骨头。
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