Aerochronometer
航空精密时计
🗣️ 情景例句
Their marriage is breaking up.
他们的婚姻已经破裂。
Excuse me for the mistake.
对不起为我所犯的错误。
Never mind. So now you know what you should do.
不要紧。好了，现在你知道该怎么做了吧。