Echoranging
回声测距法
🗣️ 情景例句
She likes you.
她喜欢你 。
Honesty may be dear bought, but can never be an ill penny-worth.
出高价买来的诚实，不会永远没有价值。
We'll look into it right away for you.
我们会立刻调查清楚。