Echoranging
回声测距法
🗣️ 情景例句
And very good-looking, like his mother.
也很漂亮 ，像他妈妈。
Please give me a piece of pie.
请给我一个苹果饼。
The woman knew that the nearest village was miles away.
这位妇女知道，即使最近的村庄也有数英里远。