Ahu
abbr. 空气处理机（Air Handling Unit）
🗣️ 情景例句
He is in conference right now.
他现在在开会。
I'm hungry.
我饿了。
for the simple reason that I was left with several curiously shaped bits of metal which did not seem to fit anywhere.
原因很简单，因为还剩下几个形状奇特的零件似乎哪里也装不上去。