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BNC: 1564 COCA: 2752

concentration

noun
 
/ˌkɒnsnˈtreɪʃn/
/ˌkɑːnsnˈtreɪʃn/
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  1.  
     [uncountable] the ability to direct all your effort and attention on one thing, without thinking of other things专心；专注
    • This book requires a great deal of concentration.这本书需要全神贯注才能读懂。
    • Tiredness affects your powers of concentration.疲劳影响注意力的集中。
    • One momentary lapse in concentration could prove fatal.瞬间的注意力不集中都可能是致命的。
    • He has a poor concentration span (= cannot concentrate for long) 他注意力不集中
    Extra Examples
    • Don's voice from outside broke my concentration.外面传来唐的声音，打断了我的思路。
    • She has great powers of concentration for a child her age.就她这个年龄的孩子而言，她的专注力极强。
    • The game requires great concentration.这个游戏要求注意力高度集中。
    • a look of total concentration on her face她聚精会神的样子
    • The noise had disturbed his concentration.噪音使他不能集中注意力。
    • The manager criticized the players for showing a lack of concentration.经理批评运动员注意力不集中。
    Oxford Collocations Dictionaryadjective
    • deep
    • great
    • intense
    • …
    verb + concentration
    • demand
    • need
    • require
    • …
    concentration + noun
    • lapse
    preposition
    • concentration on
    phrases
    • a lack of concentration
    • a lapse in concentration
    • a lapse of concentration
    • …
    See full entry
  2. [uncountable] concentration (on something) the process of people directing effort and attention on a particular thing关注；重视
    • He stressed the need for greater concentration on environmental issues.他强调需要更加关注环境问题。
    • In his concentration on the job in hand, John allowed his normal vigilance to slip.由于全神贯注于手头的工作，约翰放松了正常的警惕。
  3. [countable] concentration (of something) a lot of something in one place集中；聚集
    • a concentration of industry in the north of the country该国北部的工业集中地
    Extra Examples
    • The greatest concentration of traffic is in the city centre.交通最密集的地方是市中心。
    • The greatest concentration of traffic is downtown.交通最密集的地方是商业中心区。
    Oxford Collocations Dictionaryadjective
    • elevated
    • great
    • heavy
    • …
    verb + concentration
    • increase
    • decrease
    • reduce
    • …
    concentration + verb
    • increase
    • rise
    • decrease
    • …
    See full entry
  4. [countable, uncountable] the amount of a substance in a liquid or in another substance浓度；含量
    • glucose concentrations in the blood血液中的葡萄糖含量
    Extra Examples
    • Evaporation gradually increases the salt concentration of the water.蒸发作用使水中盐的浓度逐渐升高。
    • The concentration of nitrates in the drinking water has risen in recent years.近年来饮用水中硝酸盐的浓度升高了。

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