Echoranging
回声测距法
🗣️ 情景例句
He's 20 kilos overweight for his height.
就他的身高而言，他的体重超了20公斤。
Could you please let us know what discount you can give for an order exceeding 400 sets?
能否告知定货超过400台你方所能给的折扣。
This is No. 1 Machine Shop. Keep together, please! said Uncle Wang.
“这就是第一机械车间。 请大家靠拢点！”王大叔说。