A.f.s.
[机] 美国铸造学会
🗣️ 情景例句
It's still raining. I want to play tennis.
仍然在下雨。我想打网球。
The police crept up from behind and took the gangster by surprise.
警察悄悄从背后绕过去，出其不意地将歹徒逮捕。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。