als

abbr. 进场与着陆模拟器(=Approach and Landing Simulator)

例句与用法：

It's alright here as long as you keep your nose clean; if you don't, they treat you badly.

只要你安分守己，这里就太平。如果你捣乱，他们就会对你不客气。

详细释义：

=A.L.S.