drain

n. 排水沟, 消耗, 排水
vt. 排出, 喝光, 耗尽
vi. 排水, 流干
【化】 排放口
【医】 引流管, 引流物, 排水沟, 泄水, 排水, 引流, 导液
相关词组:
down the drain

名词:drainer 动词过去式:drained 过去分词:drained 现在分词:draining 第三人称单数:drains 形容词:drainable 

drain

v.（动词）
drained,drain.ing,drains
v.tr.（及物动词）
To draw off (a liquid) by a gradual process:
排出：渐渐地放掉液体：
例句：
drained water from the sink.
将水从污水槽中排掉



To cause liquid to go out from; empty:
排干：使液体流掉；排空：
例句：
drained the bathtub; drain the pond.
放掉浴池的水；排净水塘的水

To draw off the surface water of:
排干表面的水：
例句：
The Mississippi River drains a vast area.
密西西比河枯竭了一大片区域

To drink all the contents of:
喝光：喝干内容物：
例句：
drained the cup.
干杯



To deplete gradually, especially to the point of complete exhaustion.See Synonyms at deplete
耗尽：逐渐耗尽，尤指消耗直至完全枯竭参见 deplete
To fatigue or spend emotionally or physically:
消耗：使在情感上或肉体上疲劳或消耗：
例句：
The day`s events completely drained me of all strength.
这天的事情使我精疲力竭

v.intr.（不及物动词）
To flow off or out:
排出：流掉或流出：
例句：
Gasoline drained slowly from the tilted can.
煤油慢慢从倾斜的油罐里流出来

To become empty by the drawing off of liquid:
变干：因液体流净而变空：
例句：
watched the tub slowly drain.
看着浴缸慢慢排空

To discharge surface or excess water:
注入：排走地面上的或多余的水：
例句：
The Niagara River drains into Lake Ontario. When flooded, the swamp drains northward.
尼加拉河流入安大略湖。发洪水时，沼泽向北泄水

To become gradually depleted; dwindle:
枯竭：被逐渐耗尽；减少：
例句：
felt his enthusiasm draining.
感到他的热情渐渐消失

n.（名词）
A pipe or channel by which liquid is drawn off.
排水管：排掉液体的管或通道
Medicine A device, such as a tube, inserted into the opening of a wound or body cavity to facilitate discharge of fluid or purulent material.
【医学】 引流管：插入伤口或体腔，以便排出液体或脓状物的装置，如管子
The act or process of draining.
排放：排去液体的行为或过程


A gradual outflow or loss; consumption or depletion:
流出：逐渐地流出或失去；消耗或耗尽：
例句：
the drain of young talent by emigration.
移民导致的青年人才流失

Something that causes a gradual loss:
消耗的东西：造成逐渐流失的东西：
例句：
interruptions that are a drain on my patience.
使我丧失耐心的插话


<习惯用语>down the drain
To or into the condition of being wasted or lost:
处于被浪费或丢失状态：
例句：
All of our best laid plans are down the drain.
我们所有精心布置的计划都付之东流

来源：
Middle English dreinen [to strain, drain]
中古英语 dreinen [拉，排出]
from Old English drôahnian
源自 古英语 drôahnian

【引伸】
drain.able
adj.（形容词）
drain.er
n.（名词）