抽干的英文：
swab off ;swaboff

参考例句：

Pump out a flooded basement.
把地下室里的水抽干

They had to exhaust the water of the well.
他们不得不抽干井里的水。

He is pumping the water out of the swimming pool.
他正在把游泳池里的水抽干。

The result is that the life-giving juices are in danger of being drained out of education
结果是，维持生命的乳汁有被从教育抽干的危险。

swab是什么意思：
n. 拭子，药签
v. 用拭子擦拭，擦洗

The place was swabbed out and disinfected.
这个地方已经擦洗干净并进行了消毒。

Use the ear cleanser and apply it with a cotton swab.
用耳朵和清洁剂，它适用于同一个棉拭子。

Viral culture - this is a swab of the fluid within a blister.
病毒培养-这是通过拭子擦拭水泡表面取样的。

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断