English-Chinese/Sneezing is a reflex to expel unwanted particles from the nose that irritate the mucosal lining

Sneezing is a reflex to expel unwanted particles from the nose that irritate the mucosal lining.

打喷嚏是一种反射，可以从鼻子中排出不需要的颗粒，刺激粘膜内层.