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IELTS BNC: 1341 COCA: 2358
concentrate
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verb /ˈkɒns(ə)nˌtreɪt/
present tense
I/you/we/theyconcentrate
he/she/itconcentrates
present participleconcentrating
past tenseconcentrated
past participleconcentrated
  1. 1
    [I] to give all your attention to the thing you are doing 集中注意力；专注

    I was sleeping badly and finding it hard to concentrate. 我没睡好，因此很难集中注意力。

    concentrate on :

    Stop talking and concentrate on your work. 别说话了，专心工作。

     Synonyms and related words
    To pay attention: concentrate, focus, listen...
    1. a.
      [I/T] to give most of your attention to one aim or activity 把注意力集中（于）
      concentrate on :

      Luke wants to concentrate on his film career. 卢克想全力以赴投身电影事业。

      concentrate your efforts/attention on something :

      You should concentrate your efforts on passing these exams. 你应该集中精力通过这些考试。

       Synonyms and related words
      To pay attention: concentrate, focus, listen...
  2. 2
    [T] [usually passive] if something is concentrated in an area, that is where it mainly exists 集结；聚集

    The violence was concentrated mostly in the north. 暴力事件大多集中在北方。

    The population is concentrated along the river banks. 人口集中在沿河两岸。

     Synonyms and related words
    To be in a particular position or place: occupy, set, exist...
  3. From our crowdsourced Open Dictionary
    3
    to make a solution of something in water stronger by removing water from it

    You can concentrate the solution by adding more salt.

    Submitted by Thao Dao from Viet Nam on 10/06/2018
     
concentrate
noun [C/U] /ˈkɒns(ə)nˌtreɪt/
singularconcentrate
pluralconcentrates
  1. a substance that has had water removed from it so that it has a stronger effect, taste etc 浓缩物

    tomato concentrate 浓缩番茄汁

     Synonyms and related words
    General words for materials and substances: substance, material, powder...
IELTS BNC: 1341 COCA: 2358
concentrate

verb

ADVERB | VERB + CONCENTRATE | PREPOSITION ADVERB➤hard, intensely, intently (especially BrE) 努力集中精神；全神貫注；專心致志◇She was sitting at her desk concentrating hard.她正坐在書桌邊，精神高度集中。➤fully, properly全神貫注；精神十分集中◇I was tired and couldn't concentrate properly.我累了，無法集中精力。➤mainly, mostly, predominantly, primarily主要專注於；首要集中於▸➤particularly尤其集中▸➤entirely, exclusively, purely, solely全身心地集中；完全集中；只專注VERB + CONCENTRATE➤be unable to, cannot不能集中精神◇I tried to work but I found I couldn't concentrate.我試圖工作但發現不能集中精神。➤be difficult to, be hard to, be impossible to很難集中精神；不可能專注▸➤tend to傾向於專注◇Banks tend to concentrate on short-term lending.銀行傾向於專心做短期貸款。➤try to試圖集中精力PREPOSITION➤on專注於⋯◇He concentrated mainly on the flying and spoke very little.他聚精會神地飛行，很少說話。
IELTS BNC: 1341 COCA: 2358

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