Ahu
abbr. 空气处理机（Air Handling Unit）
🗣️ 情景例句
I'm sorry, I really don't know.
对不起，我真的不知道。
After eating breakfast,I go back upstairs again.
在吃早餐以后，我再回楼上。
Because they destroy so many insects, and insects include some of the greatest enemies of the human race.
因为它们能消灭那么多的昆虫，其中包括一些人类的大敌，