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Concentration Concentrate Great Amount Substance Noun Powers Attention

word concentration
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Collins
concentration ★★★☆☆
/kɒ̱ns(ə)ntre͟ɪʃ(ə)n/
1
[N-UNCOUNT 不可数名词]全神贯注;专心;专注 Concentration on something involves giving all your attention to it.
  • Neal kept interrupting, breaking my concentration...

    尼尔不停地打断我,使得我无法集中注意力。

  • We lacked concentration and it cost us the goal and the game.

    我们注意力不够集中,结果丢了球,输了比赛。

2
[N-VAR 可变名词]集中;汇集 A concentration of something is a large amount of it or large numbers of it in a small area.
  [usu N of n]
  • The area has one of the world's greatest concentrations of wildlife...

    这个地区是世界上野生动物最为密集的区域之一。

  • There's been too much concentration of power in the hands of central authorities.

    权力一直过多地集中在中央机构手中。

3
[N-VAR 可变名词]浓度 The concentration of a substance is the proportion of essential ingredients or substances in it.
  [with supp]
  • pH is a measure of the concentration of free hydrogen atoms in a solution...

    pH值是测试溶液中自由氢原子浓度的单位。

  • The latest data showed that global ozone concentrations had dropped several per cent over the last decade.

    最新数据显示,过去10年来全球臭氧的浓度降低了几个百分点。


Oxford con·cen·tra·tion AWL / ˌkɒnsnˈtreɪʃn ; NAmE ˌkɑːnsnˈtreɪʃn / noun 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。 2 [uncountable ] concentration(on sth) the process of people directing effort and attention on a particular thing 关注;重视 a need for greater concentration on environmental issues 更加关注环境问题的必要性 3 [countable ] concentration(of sth) a lot of sth 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 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 concentration concentrations con·cen·tra·tion / ˌkɒnsnˈtreɪʃn ; NAmE ˌkɑːnsnˈtreɪʃn /
LDC
concentrationcon‧cen‧tra‧tion /ˌkɒnsənˈtreɪʃən $ ˌkɑːn-/ ●●● S3 W2 AWL noun
Examples
Thesaurus
Collocations
Phrases
Word family
1[uncountable] the ability to think about something carefully or for a long timeconcentrate:  She needed all her powers of concentration to stop herself from slipping on the icy road. Lack of concentration was a real problem. I lost my concentration and fell asleep.2[uncountable] a process in which you put a lot of attention, energy etc into a particular activityconcentrateconcentration on (doing) something concentration on your health concentration on providing value and service3[countable, uncountable] a large amount of something in a particular place or among particular peopleconcentrateconcentration of the concentration of greenhouse gases in the atmosphere the concentration of power in the hands of a few4[countable] technical the amount of a substance contained in a liquidconcentratehigh/low concentrations Additives are expensive but are used in very low concentrations.concentration of allowable concentrations of pesticides in drinking waterCOLLOCATIONSverbssomething takes concentration (=needs concentration)· Playing a musical instrument takes a lot of concentration.something requires/demands concentration formal· Writing an exam requires great concentration.lose (your) concentration· Halfway through the game, he seemed to lose concentration.break somebody’s concentration (=stop someone concentrating)· The telephone rang and broke my concentration.disturb somebody’s concentration· She slipped out of the room, trying not to disturb his concentration.phrasessomebody’s powers of concentration (=someone’s ability to concentrate hard)· Great athletes are known for their powers of concentration.a lack of concentration· A lack of concentration when you are driving can be fatal.a lapse in/of concentration (=a short time when you do not concentrate)· That brief lapse of concentration resulted in a goal for the other team.adjectivesgreat/deep concentration· My work demands great concentration.poor concentration· The boy had behavioural problems and suffered from poor concentration.total concentration· I was impressed by her total concentration on the game.intense concentration (=very great concentration)· The job demands intense concentration.concentration + NOUNa concentration span (=the length of time that you are able to concentrate)· Young children have a short concentration span.
WDF

concentration

[ˌkɒnsnˈtreɪʃn]

CET4CET6TEM4考研
n2769
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NOUN2775
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Spoken:

40706672
concentrations[500]
浓度(61%),集中(32%),专心(7%)
n.浓度;集中;浓缩;专心;集合

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