🗣️ 情景例句
That sounds very nice. When will it be?
听起来真不错，什么时候呢？
He who pays the piper, calls the tune.
谁负担费用，谁加以控制。
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。