Lanstan
壮棉丹
🗣️ 情景例句
and we must prepare this room.
我们得收拾好房间。
To pay a person in his own way.
以其人之道还治其人之身。
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。