Oftenness
n. often的变形
🗣️ 情景例句
Well, first, you have to turn your hat around like this.
首先 ，你得把你的帽子转一下 ，像这样。
Where'd you come from?
你从哪冒出来的啊？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。