drain

drain
verb
[with obj.]

cause the water or other liquid in (something) to run out, leaving it empty, dry, or drier
排干，排光，使流光
we drained the swimming pool.
我们排干了游泳池的水。
■cause or allow (liquid) to run off or out of something
排出，引流，使流出
fry the pork and drain off any excess fat.
把猪肉煎一煎，沥干多余的油脂。
■make (land) drier by providing channels for water to flow away in
（利用水渠）排干（一地方），排水
the land was drained and the boggy ground reclaimed.
地被排干了，沼泽地被开垦了出来。
■(of a river) carry off the superfluous water from (a district)
（河流）带走（某地区）多余的水
the stream drains a wide moorland above the waterfall.
小溪带走了瀑布上方宽阔高沼地的余水。
■[no obj., with adverbial of direction](of water or another liquid) flow away from, out of, or into something
流掉，流走，流入，注入
the river drains into the Pacific.
河流注入太平洋。
Polly felt the blood drain from her face.
波利感到自己面部血液的流失。
■[no obj.]become dry or drier as liquid runs off or away
变干，滴干
dishes left to drain.
碟子放在那里晾干。
the plant should be watered well and allowed to drain.
这种植物应该浇透晾干。
■(of a person) drink the entire contents of (a glass or other container)
喝干，喝光（杯子等）中的液体
he seized the Scotch set before him and drained it.
他抓起面前的苏格兰威士忌一饮而尽。
■[no obj., with adverbial](figurative)(of a feeling or emotion) become progressively less strongly felt
(喻)（感觉，感情）渐渐消失，减少，变淡
gradually the tension and stress drained away.
紧张和压力渐渐地缓和了。
deprive of strength or vitality
使耗尽气力，使精疲力竭，使无精打采
his limbs were drained of all energy.
他四肢瘫软，一点力气也没有了。
Ruth slumped down in her seat, drained by all that had happened.
鲁思倒在椅子里，所发生的一切让她精疲力竭。
■cause (money, energy, or another valuable resource) to be lost, wasted, or used up
使（钱、精力等）失去，浪费，用光
my mother's hospital bills are draining my income.
母亲的住院费用光了我的收入。
■[no obj., with adverbial](of such a resource) be lost, wasted, or used up
失去，浪费掉，用光
votes and campaign funds drained away from the Republican candidate.
共和党候选人失去了选票，用光了竞选经费。
(Golf, informal)(of a player) hole (a putt)
(高尔夫非正式)推球入穴

noun

a channel or pipe carrying off surplus liquid, especially rainwater or liquid waste
排水沟，排水渠，排水道；阴沟；排水管；排水器
■a tube for drawing off accumulating fluid from a body cavity or an abscess
（用于人体或脓肿的）引流管；导（液）管
■(Brit.)a frame of metal bars set in a road over the opening to a rainwater channel
(英)（金属框条的）路面排水沟盖
■(Electronics)the part of a field-effect transistor to which the charge carriers flow after passing the gate
(电子)（场效应管）漏极
[in sing.]a thing that uses up a particular resource
（造成资源）耗竭（之物），消耗
nuclear power is a serious drain on the public purse.
核能是严重耗竭国库的负担。
■the continuous loss or expenditure of a particular resource
（逐渐的）流失，外流，消耗
the drain of talented staff to the United States.
人才流失至美国。

常用词组
go down the drain

(informal)be totally wasted
(非正式)被浪费掉，化为乌有
the government must stop public money going down the drain.
政府必须停止浪费国家资金。

语源

Old English drēahnian, drēhnian 'strain' (liquid), of Germanic origin; related to dry

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