drain

音标发音

• 英式音标 [dreɪn]
• 美式音标 [dreɪn]
• 国际音标 [drein]
• 英式发音
• 美式发音

基本解释

• v. 排水；流干；喝光；（感情）变淡；使精疲力竭；（非正式）将（球）轻击入穴
• n. 排水沟；下水道；负担；消耗
• n. (Drain) （美、英、法、加）德兰（人名）

词源解说

• 直接源自古英语的dreahnian；最初源自原始日耳曼语的draug，意为干旱。

词根记忆

• d + rain(雨水)→排去雨水→流掉
• d + rain(雨水)→排去雨水→排水沟
• d(看做dig，挖) + rain(雨水)→挖一条排雨水的沟→排水沟

同根派生

• n性质的同根词

  drainage：排水；排水系统；污水；排水面积。

• drain相关词

用法辨析

v. (动词)

• drain的基本意思是“(使)逐渐变干〔流干〕”,引申可表示“喝光”。
• drain既可用作不及物动词,也可用作及物动词。用作及物动词时,可接名词或代词作宾语,也可接以形容词作补足语的复合宾语。用作不及物动词时,常与away, off等词连用。
• drain可用于被动结构。

• drain使用方法
• drain详细辨析

英汉例句

用作动词 (v.)

用作不及物动词: S+～(+A)

• Leave the dishes on the board to drain.
  将盘子放在水槽旁边的板上晾干。

用作及物动词: S+～+ n./pron.

• They have drained the swimming pool.
  他们把游泳池的水放干了。

用作宾补动词: S+～+ n./pron. + adj.

• Let's drain the glasses dry.
  咱们把这几杯喝干吧。

用作名词 (n.)

• The drain was choked up with dirt.
  排水管被污物堵住了。

• drain更多例句

词组短语

用作动词 (v.)

～+名词

• drain the field 排去田中的水
• drain resources 耗尽资源
• drain water 排泄水，废水

～+副词

• drain well 排泄井，排水井；污水井
• drain completely 〔painfully, thoroughly〕 完全排出
• drain entirely 完全排出

• drain更多词组

英英字典

剑桥英英字典

• (REMOVE LIQUID) 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.
• (MAKE TIRED) to make someone very tired
• (REDUCE) to reduce or cause something to reduce
• (PIPE) a pipe or channel that is used to carry away waste matter and water from a building, or an opening in the road that rain water can flow down
• (MAKE TIRED) something that makes you feel very tired
• (REDUCE) something that uses more of your energy, money, or time than you want to give

柯林斯英英字典

• If you drain a liquid from a place or object, you remove the liquid by causing it to flow somewhere else. If a liquid drains somewhere, it flows there.
• If you drain a place or object, you dry it by causing water to flow out of it. If a place or object drains, water flows out of it until it is dry.
• If you drain food or if food drains, you remove the liquid that it has been in, especially after it has been cooked or soaked in water.
• If the colour or the blood drains or is drained from someone's face, they become very pale. You can also say that someone's face drains or is drained of colour.
• If something drains you, it leaves you feeling physically and emotionally exhausted.
• drained
• If you say that a country's or a company's resources or finances are drained, you mean that they are used or spent completely.
• 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.
• 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 think that it is worth it.
• If you say that something is going down the drain, you mean that it is being destroyed or wasted.

• drain剑桥字典
• drain柯林斯字典

专业释义

经济学

• 流失

  But at the same time there more serious brain drain problem.
  但同时存在人才流失较严重的问题。

  电子、通信与自动控制技术

• 漏极
• 吸极

土木建筑工程

• 排水管
• 排泄
• 污水渠
• 污水管

交通运输工程

• 排出

  Because this kind of pavement construction can drain the rain that permeates the surface layer seasonably and rapidly,it is called porous asphalt pavement. however our country is on the beginning step for its research,facing many difficulty.
  由于此种路面结构能将渗入表层的雨水及时、迅速地排出,故称为排水性沥青路面。 然而,我国对排水性沥青路面研究尚处起步阶段,需要研究的问题很多。

  医药科学

• 引流管
• 引流物

历史学

• 流失

  The turbulence political context, backwardness economic activity way, backwardness culture and education were as the social background of the massively drain of Gansu forest resources in Republic of China.
  甘肃森林资源的大量流失,是以动荡的政治环境、落后的经济活动方式和文化教育为社会背景的。

  动力与电气工程

• 漏电

语言学

• 耗尽

地球科学

• 排水沟

机械工程

• 汲极
• 吸极
• 排水
• 排流

计算机科学技术

• 汲极
• 洩流

能源科学技术

• 疏水