Ventilating device
[计] 通风设备
🧩 词语组成解析
[计] 通风
🗣️ 情景例句
It's me, Grandpa.
是我， 爷爷。
Fall sick and you will see who is your friend and who is not.
困难见友情。
The man was ordered to pay $3,500 for the cost of the trip.
此人被责令交付旅费3，500英镑，