古人讲：“唇亡则齿寒”，意思是说，嘴唇做为嘴的城郭，舌头的防护之门，对牙齿具有很好的保护作用。如果嘴唇没有了，牙齿就会寒冷。当然这是从人体器官自身功能角度讲的。无论你是哪种嘴型的人，希望在这个充满变...
The ancients said: "the lip is dead tooth cold", mean, lips, as a musquash mouth, tongue protective doors, has the very good protection for your teeth. If not the lips, the teeth will be cold. Of course this is from their human organs function point of view. No matter you are what kind of mouth, hope in this full of change...
