ventilation

/ˌvɛntɪˈleɪʃən/

the act of supplying fresh air and getting rid of foul air

中文释义：通风；换气

Proper ventilation is essential in laboratories to prevent the buildup of harmful fumes.

实验室中适当的通风对于防止有害气体积聚至关重要。

The building's ventilation system was upgraded to improve air quality.

大楼的通风系统进行了升级，以改善空气质量。