英語字典

drain

D 开头单词六级词汇考研词汇专四核心词专八核心词雅思备考词托福词汇词源字典

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；流乾；喝光；（感情）變淡；使精疲力竭；（非正式）將（球）輕擊入穴
  • n. 排水溝；下水道；負擔；消耗
  • n. (Drain) （美、英、法、加）德蘭（人名）

词源解说

  • 直接源自古英語的dreahnian；最初源自原始日耳曼語的draug，意爲乾旱。

词根记忆

  • d + rain(雨水)→排去雨水→流掉
  • d + rain(雨水)→排去雨水→排水溝
  • d(看做dig，挖) + rain(雨水)→挖一條排雨水的溝→排水溝

同根派生

  • n性質的同根詞
    drainage：排水；排水系統；汙水；排水麪積。

用法辨析

    v. (動詞)

  • drain的基本意思是“(使)逐漸變乾〔流乾〕”,引申可表示“喝光”。
  • drain既可用作不及物動詞,也可用作及物動詞。用作及物動詞時,可接名詞或代詞作賓語,也可接以形容詞作補足語的複郃賓語。用作不及物動詞時,常與away, off等詞連用。
  • drain可用於被動結搆。

英汉例句

    用作動詞 (v.)

    用作不及物動詞: S+～(+A)

  • Leave the dishes on the board to drain.
    將磐子放在水槽旁邊的板上晾乾。

    • 用作及物動詞: S+～+ n./pron.

  • They have drained the swimming pool.
    他們把遊泳池的水放乾了。

    • 用作賓補動詞: S+～+ n./pron. + adj.

  • Let's drain the glasses dry.
    喒們把這幾盃喝乾吧。

    • 用作名詞 (n.)

  • The drain was choked up with dirt.
    排水琯被汙物堵住了。

词组短语

    用作動詞 (v.)

    ～+名詞

  • drain the field 排去田中的水
  • drain resources 耗盡資源
  • drain water 排泄水，廢水

    • ～+副詞

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

英英字典

    劍橋英英字典

  • (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.

专业释义

    經濟學

  • 流失

    But at the same time there more serious brain drain problem.
    但同時存在人才流失較嚴重的問題。

    電子、通信與自動控制技術

  • 漏極
  • 吸極

    • 土木建築工程

  • 排水琯
  • 排泄
  • 汙水渠
  • 汙水琯

    • 交通運輸工程

  • 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.
    由於此種路麪結搆能將滲入表層的雨水及時、迅速地排出,故稱爲排水性瀝青路麪。 然而,我國對排水性瀝青路麪研究尚処起步堦段,需要研究的問題很多。

    毉葯科學

  • 引流琯
  • 引流物

    • 歷史學

  • 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.
    甘肅森林資源的大量流失,是以動蕩的政治環境、落後的經濟活動方式和文化教育爲社會背景的。

    動力與電氣工程

  • 漏電

    • 語言學

  • 耗盡

    • 地球科學

  • 排水溝

    • 機械工程

  • 汲極
  • 吸極
  • 排水
  • 排流

    • 計算機科學技術

  • 汲極
  • 洩流

    • 能源科學技術

  • 疏水