Aerochronometer
航空精密时计
🗣️ 情景例句
I'll get through this work by noon.
我会在中午以前完成这项工作。
You must go to the moon. It's your duty.
你必须上月球去，这是你的职责。
They stopped talking when their boss came in.
当老板进来的时候；他们停止了交谈。