Amca
abbr. Air Moving and Conditioning (Control) Association <美>空氣流動與調節（控制）協會
??? 情景例句
He's gone for the summer.
他夏天度假去了。
When the tree is fallen, every one runs to it with his axe.
大樹一倒下，人人持斧來。
It's not my fault.
不是我的錯。