🗣️ 情景例句
I'm concerned.
我很担心。
Nothing so bad, as not to be good for something.
塞翁失马，安知非福。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。