drain-trap
基本解释
- n.疏水器
英汉例句
- That maths exam I took was a regular brain drain.
绞尽脑汁的数学测验,我真是绞尽了脑汁。 - Be ware of falling into their trap.
当心中了他们的计。 - 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.
他们正在掘沟排水。 - They are digging trenches to drain the water away.
他们正在掘沟排水。