Sniffing is regulated by the soft palate, a flap of tissue in the back of the throat that directs the flow of air through the mouth and nose.
闻嗅由软腭控制，那是位于喉咙后面的组织，通过不停来回拍动来导向经过嘴和鼻子的气流。
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Objective To raise the quality of repair and effect of skin soft-tissue expansion, and to research the design of flap after expansion according to the extent, form and place of the skin defect.