Vantilation
换气,通风,空气的流通,通风设备
🗣️ 情景例句
Help yourself to celery and carrots and other vegetables.
请你们自己盛芹菜， 胡萝卜 和其他蔬菜。
Money is a good servant, but a bad master.
金钱是好的仆役，坏的主人。
Are there any children in the room?
屋子里有小孩吗？