通风。检查一下通风口或调风器，保证没有堵塞的东西。

Ventilation. Check the vents/registers and make sure there is nothing blocking them.

youdao

通风。检查一下通风口或调风器，保证没有堵塞的东西。

Ventilation. Check the vents/registers and make sure there is nothing blocking them.

youdao