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concentration是什么意思？
  • 基础释义
  • 例句
  • 反义词
  • 四级真题
  • 六级真题
  • 柯林斯词典释义
  • 英汉词典释义
  • 英英词典释义
  • 行业词典释义

concentration

英[ˌkɒnsnˈtreɪʃn] 美[ˌkɑnsnˈtreɪʃn]
  • 复数：concentrations;
    • 相关单词 concentration of beamconcentration onconcentrationsdeconcentrationequivalent concentrationhemoconcentrationhyperconcentrationisoconcentration
    例句
    查看更多关于 “concentration” 的例句
    反义词
    • n.
      concentration的反义词之：集中;专心
      distraction,
    • concentration的反义词之：其他释义
      distraction,
    英语四级真题
      Japanese listeners sometimes closed their eyes to enhance concentration.
      出自-2011年12月听力原文
    英语六级真题
      The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active.
      出自-2011年12月阅读原文
      It seems clear that the concentration of research and commercialisation work creates differences between universities
      出自-2011年12月阅读原文
      concentration of resources in a limited number of universities.
      出自-2011年12月阅读原文
    柯林斯高阶英汉双解学习词典释义
    • N-UNCOUNT
      全神贯注;专心;专注
      Concentration on something involves giving all your attention to it.
      例句
      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。
    • 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.
      例句
      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。
    • N-VAR
      浓度
      The concentration of a substance is the proportion of essential ingredients or substances in it.
      例句
      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。
    英汉词典释义
    • n.
      集中, 集结
      Large concentrations of capital were in the hands of merchants. 大量资本集中在商人手里。
    英英词典释义
    • Noun
      1. the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter)
      2. the spatial property of being crowded together
      3. strengthening the concentration (as of a solute in a mixture) by removing extraneous material
      4. increase in density
      5. complete attention; intense mental effort
      6. bringing together military forces
      7. great and constant diligence and attention
    行业词典
    • 体育： 精神集中；全神贯注；
      冶金学： 富集；
      力学： 浓度；
      医学： 浓缩：通过蒸发增加浓度；浓度：溶质的质量或体积与溶液或溶剂的质量或体积之比。参见molarity，molality，normality和mol fraction；