If you drain something, you remove the liquid from it, usually by pouring it away or allowing it to flow away, and if something drains, liquid flows away or out of it.

Assuming all goes well, the airport should open in October 2020, but the still empty airport stands as the biggest embarrassment to Germany's reputation for efficiency and a continuing drain on city and …

医学领域将引流器材称为drain，计算机术语中"drain_workqueue"指清除队列任务。 词义演进体现了从具体物理排水设施（如浴缸下水道）到抽象资源消耗（如耗尽资金储备）的语义扩展过程。

1. Bowel may herniate alongside a drain, with resulting obstruction. 肠管可能沿着 引 物疝出，导致梗阻。 2. The drain was choked up with dirt. 排水管 被污物堵住了。 3. The usurers are leeches;they …

If you say that something is a drain on an organization's finances or resources, you mean that it costs the organization a large amount of money, and you do not consider that it is worth it.

The meaning of DRAIN is to draw off (liquid) gradually or completely. How to use drain in a sentence. Synonym Discussion of Drain.

1. 流走 the blood or colour drained from her face 她臉色變得煞白 the life is draining out of him 他的生命漸漸枯竭 2. 瀝乾 to leave sth. to drain 讓某物滴乾水

If you say that something is a drain on an organization's finances or resources, you mean that it costs the organization a large amount of money, and you do not consider that it is worth it.

We have to call a plumber to unblock the drain. 我们得叫管工来通一通下水道。 Military spending is a huge drain on the country's resources. 军费开支是国家资源的一大消耗。

A drain is a pipe that carries water or sewage away from a place, or an opening in a surface that leads to the pipe.