Once stimulated, these muscles go to work and cause us to forcefully expel air from the mouth and nose. Or, in other words, we sneeze.

这些肌肉一旦被刺激，它们就会运动，导致我们强有力的排出口腔和鼻子里面的空气。或者，换句话说就是打喷嚏。

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Once stimulated, these muscles go to work and cause us to forcefully expel air from the mouth and nose. Or, in other words, we sneeze.

这些肌肉一旦被刺激，它们就会运动，导致我们强有力的排出口腔和鼻子里面的空气。或者，换句话说就是打喷嚏。

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