ventilation
noun /ˌventɪˈleɪʃn/
/ˌventɪˈleɪʃn/
[uncountable]- the fact of allowing fresh air to enter and move around a room, building, etc.
使（房间、建筑物等）通风；使通气 - a ventilation shaft
通风井 - Make sure that there is adequate ventilation in the room before using the paint.
在使用油漆前确保室内通风充足。
- a ventilation shaft