Echometry
测回声术
🗣️ 情景例句
I am, too. But didn't you just get on?
我也是。可是，你不是刚上车的吗？
Whom will you go out with?
你将和谁出去？
A man may acquire great knowledge of topics unconnected with his daily work,
一个人可能会获得与其日常工作无关的某些课题的渊博知识，