Catalyst settler
[建] 催化剂沉降器
🧩 词语组成解析
🗣️ 情景例句
I am looking forward to seeing you again.
我期待着能再次见到你。
Save a thief from gallows and he will help hang you.
放虎归山。
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。