Copro
磺王铜杀菌剂
🗣️ 情景例句
Why do you want to work for this organization?
你为什么想加入这个组织工作？
We have drapes for the living room,but we need kitchen curtains.
我们有客厅窗帘，但是我们需要厨房窗帘。
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。