它主要是负责消化道的逆蠕动，比如打喷嚏，咳嗽，呕吐他声间的产生等等。

It is responsible for all anti-peristaltic movements, like sneezing, coughing, vomiting, etc & sound production.

youdao

它主要是负责消化道的逆蠕动，比如打喷嚏，咳嗽，呕吐他声间的产生等等。

It is responsible for all anti-peristaltic movements, like sneezing, coughing, vomiting, etc & sound production.

youdao