drain-trap
基本解释
- n.疏水器
英汉例句
- That maths exam I took was a regular brain drain.
絞盡腦汁的數學測騐，我真是絞盡了腦汁。 - Be ware of falling into their trap.
儅心中了他們的計。 - Pull (out) the plug and let the water drain away.
拔掉塞子，把水放掉。 - They are digging trenches to drain the water off.
他們正在掘溝排水。 - They are digging trenches to drain the water away.
他們正在掘溝排水。