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concentration
kɒnsəntrʃən ˌkɑnsənˈtreɪʃən
Word forms: plural concentrations
1 N-UNCOUNT 全神贯注;专心;专注 Concentration on something involves giving all your attention to it. 全神贯注;专心;专注
  • 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 集中;汇集 A concentration of something is a large amount of it or large numbers of it in a small area. 集中;汇集
  • The area has one of the world's greatest concentrations of wildlife. [+ of]

    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. [+ of]

    权力一直过多地集中在中央机构手中。

3 N-VAR [n NOUN] 浓度 The concentration of a substance is the proportion of essential ingredients or substances in it. 浓度
  • pH is a measure of the concentration of free hydrogen atoms in a solution. [+ of]

    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。

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