Echoranging
回声测距法
🗣️ 情景例句
I like to snack between meals
正餐间我爱吃点零食。
He laughs best who laughs last.
谁笑在最后，谁笑得最好。
If you would only try, you could do it.
只要你肯尝试，你一定能做这件事。