Vantilation
换气,通风,空气的流通,通风设备
🗣️ 情景例句
We need to do lots of laundry. Do we have enough detergent?
咱们得洗好多衣服呢。有足够多的洗涤剂吗？
Thank you for helping me.
谢谢你帮了我的忙。
I go to school by bike every day.
我每天骑自行车上学。