A.f.s.
[机] 美国铸造学会
🗣️ 情景例句
Sir, everything now is offered with a great discount.
先生，所有的东西都在打很大的折扣。
We waved until the car was out of sight.
我们挥手直到汽车消失。
No matter what happens, she often said, keep on beginning.
无论发生什么事，"她常说，不断从头开始。