Ast
abbr. 大西洋标准时间（Atlantic Standard Time）
📖 牛津释义
AST
abbr
缩写 = (in Canada) Atlantic Standard Time （用於加拿大）大西洋标准时间.
🗣️ 情景例句
You have a very good memory eyes.
你的记性真好。
I never used to oversleep.
我过去从未睡过头。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。