Drop your jaw which will cause your mouth to open.
放松你的下颚让你的嘴巴打开。
Pay close attention to the movements of the mouth, tongue and jaw of the speaker.
密切注意说话者的嘴部、舌头和下颚动作。
It will buckle your jaw if you just chew food on one side of mouth.
如果你只用一边嚼食物那么你的下巴会变形。
The area of the human mouth, chin, and jaw.
他的头有你下巴颏这么高。
The area of the human mouth, chin, and jaw.
他的头有你下巴颏这么高。
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