1. vt. & vi.（使）逐渐变干，（使）逐渐流干　 (cause to) become gradually dry, as water or other liquid is removed; (cause to) flow off gradually or completely
2. vt.喝光　 have a drink out

　～ the field　排去田中的水
　～ resources　耗尽资词/cn>
　～ water　排水

～+副词

　～ well　排水很畅
　～ completely〔painfully, thoroughly〕　完全排出
　～ entirely　完全排出
　～ slightly　略微排出
　～ slowly　慢慢排去
　～ steadily　稳稳地排出
　～ away　（生命）枯竭，（怒气）平息，（紧张的心情）消失，（废水）排尽
　～ away manpower　消耗人力
　～ water away　排水
　～ off　排去（液体）
　～ off liquids　排去液体
　～ off rain　排掉雨水

～+介词

　～ from　从…中流掉
　～ water from field　把田里的水排掉
　～ into the Danube　向多瑙河排水
　～ into river　流入河里
　～ into sea　流入大海
　～ of　把（某物）中的…抽走〔空〕，耗光（某人）的（某物）
　～ sb of sb's energy　耗尽某人的精力
　～ the tank of all water　排去储水箱中所有的水
　～ the cup of sorrow to the bottle　饱尝辛酸

　Leave the dishes on the board to drain.　将盘子放在水槽旁边的板上晾干。
　This land won't drain.　这块地的水排不出去。
　The sticky yellowish brown soil drains well.　这种黄棕色的黏性土壤渗水性好。
　The tension drained slightly and they stole little glances at each other.　紧张气氛略有缓和，他们偷偷地相互看了一眼。
　They have drained the swimming pool.　他们把游泳池的水放干了。
　The effort drained all his energy.　这番努力弄得他精疲力竭。
　At one draught he drained the water.　他一口就把水喝完了。
　If this wet land was drained, it would be good farmland.　如果把这块湿地的水排干，这块地就会成为良田。
　Our house is well drained.　我们的房子排水系统很好。
　He felt drained.　他感到精疲力竭。
　Let's drain the glasses dry.　咱们把这几杯喝干吧。
　They drained the swamps dry.　他们把沼泽地里的水排干了。
　The usurers are leeches; they have drained us dry.　高利贷者是吸血鬼，他们吸干了我们的血汗。

 ♣ drain away　(v.+adv.)
1. （使）流走〔去〕 (cause to) flow away
　The rainwater drained away.　雨水流掉了。
　Dig trenches to drain away the water.　挖沟以排水。
　Doctors used to cut people open to drain the polluted blood away.　从前，医生常常在人体上切口把污血放出。
2. （使）吸引走 (cause to) attract away
　Some of the cleverest men in Britain drained away to the United States after the war.　战后，英国的一些最有才华的人被吸引到美国去了。
　Some of the cleverest men in Britain were drained away to the United States after the war.　战后，英国的一些最有才华的人被吸引到美国去了。
3. （使）减弱 (cause to) weaken
　My energy is draining away.　我的精力正衰竭下去。
　His courage drained away.　他的勇气渐渐消失。
　His life was slowly draining away.　他的生命逐渐枯竭了。
　This hard work has drained away my keenness.　这种艰苦的工作削弱了我的锐气。
4. （使）用尽〔消耗完〕 (cause to) be used or spent
　Now that price are rising so fast, all my money is draining away.　物价上涨得如此之快，我的钱都快花光了。
　The rise in costs has drained all our profit away.　成本的提高把我们的利润全部都抵消了。
 ♣ drain from　(v.+prep.)
1. （使）从…流出〔走〕 (cause to) flow away from (sth)
　The blood drained from her face as she learned what had happened.　当她得知所发生的一切时，脸色煞白。
　The children stared at the lion, all the colour draining from their faces.　孩子们目不转睛地盯着狮子，个个面如土色。
　Drain the liquids from the tin before you serve the vegetables.　上蔬菜前，先把罐头里的液体倒掉。
　Drain all the oil from the engine.　把发动机的油放掉。
　Fright drained all colour from his face.　惊恐使他的面容失色。
　Peripheral auto routes drains traffic from the city centre.　外环高速公路把市中心的交通流引开。
2. 离开，被吸引而脱离（某地） leave; be attracted away from (some place)
　〔　说明〕 drain from不用于被动结构。　
　Thousands of clever men drained from Britain in the years just after the war.　在战后的头几年里，成千上万的有识之士离开了英国。
　The chance of better pay and advantages has drained many good men away from Britain.　更高的工资和更优越的条件吸引了许多优秀人士离开了英国。
 ♣ drain into　(v.+prep.)
　（指河流或陆地）使其水流入（某个水域）　(of a river or land) to allow its waters to flow into (a body of water)
　〔说明〕 drain into用于一般时态。
　All the rivers on the east side of England drain into the North Sea.　英国东部所有的河水都注入北海。
　Central Europe drains into the Danube.　欧洲中部地区向多瑙河排水。
　The whole island drains into the one river.　整个岛上的水都流进了一条河。
 ♣ drain of　(v.+prep.)
1. 把…抽〔带走〕，抽空 empty (sth) of (its contents)
　At first, you have to drain the container of all the old oil.　首先，你得从油箱中把所有的陈油都抽去。
　Draining mountains of everlasting snow, the river twists for nineteen hundred miles.　这条河把终年积雪的群山上的融雪带走，蜿蜒1900英里长。
2. 弄〔耗〕光…，弄空… empty (sb) of (sth)
　The expense drains us of all our income.　这笔费用把我们所有的收入都花光了。
　He drained his parents of every cent they had.　他把父母所有的钱都耗尽了。
　This country is being drained of its best doctors.　这个国家最优秀的医生在不断外流。
　I felt as if I had been drained of all my strength.　我觉得我身上的力气好像都被耗尽了。
　I felt drained of thought.　我觉得自己的思想已经枯竭。
 ♣ drain the cup of　(v.+n.+prep.)
　备尝，饱尝　suffer from sorrow deeply
　He drained the cup of sorrow to the bottom.　他饱尝了悲伤的痛苦。
 ♣ drain off　(v.+adv.)
1. （使）流出〔走〕 (cause to) flow away
　Open the pipe to let the water drain off.　把管子打开，让水流出去。
　The rainwater drained off.　雨水流掉了。
　Drain off the rest of the wine from this barrel.　把桶里剩余的酒排出去。
　Drain off all fat that cooks out.　把煮出来的油脂都撇掉。
2. 将一定量的酒喝光 drink (a quantity of liquid) completely
　With an effort, he drained off the whole bottle.　他一鼓劲儿，把满瓶子酒一饮而尽了。
 ♣ drain out　(v.+adv.)
1. （使）流出 (cause to) flow freely outwards
　When the pipe was unblocked, the water drained out.　一打开水管，水就流了出来。
　The water drained out of the flower-pot through the hole in the bottom.　水从花盆底部的洞漏出去。
　First you must drain the dirty water out and then clean the pipe.　你必须先让污水排出去，然后再清洗管道。
2. 流失，失掉；停止 be lost; cease
　All her strength drained out when she was discouraged in what she was doing.　当做事遇到挫折时，她所有的劲头也就丢光了。

1. C 排水沟，排水管　a pipe that carries away dirty water from a building
2. C 流尽，用光　sth that drains, empties or uses up

　block ～　堵塞排水沟
　clean out〔clear, unblock〕 ～　疏通排水沟
　go down the ～　排走，化为乌有，白费
　continued ～　继续外流
　heavy〔an enormous〕 ～　很大开支
　open ～　明沟
　box ～　方形沟
　brain ～　人才流失，智囊枯竭
　talent ～　人才外流
　～ of gold　黄金的外流
　～ on one's purse　经济上的大负担
　～ on one's strength〔wealth〕　精力〔财力〕的消耗

　The drain was choked up with dirt.　排水管被污物堵住了。
　His wife's illness has been a great drain on his income.　他妻子的病要用去他的大部分收入。

 ♣ go down the drain
　白白被浪费掉　go to waste
　The results of years of work went down the drain.　多年工作的成果全都白费了。

　［同义词］ n. channel, drag, pipe, strain