Echolocation
[医] 回声测定
🗣️ 情景例句
I see. By the way, how many people are working in your factory now?
哦，我知道了。顺便问一下，现在贵厂有多少在职职工？
Fortune is fickle.
天有不测风云，人有旦夕祸福。
Any thing else?
还要别的吗？