concentration

美 [ˌkɑːnsnˈtreɪʃn]英 [ˌkɒnsnˈtreɪʃn]
  • n.浓度;集中;专注;聚集;关注;专心;重视

复数: concentrations

con- 表强调 + centr 中心 + -ate 做, 造成 + -ion 行为, 状态

CET4 考研 IELTS TEM4 TEM8

concentrationconcentration

noun

1

专心;专注
the ability to direct all your effort and attention on one thing, without thinking of other things

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

关注;重视
the process of people directing effort and attention on a particular thing

a need for greater concentration on environmental issues

更加关注环境问题的必要性

3

集中;聚集
a lot of sth in one place

a concentration of industry in the north of the country

这个国家的工业在北部的集中

4

浓度;含量
the amount of a substance in a liquid or in another substance

glucose concentrations in the blood

血液中的葡萄糖含量

concentration

频次

  • 1
    N-UNCOUNT 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。

  • 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.

    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。

  • 3
    N-VAR 浓度
    The concentration of a substance is the proportion of essential ingredients or substances in it.

    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。

noun

1
strengthening the concentration (as of a solute in a mixture) by removing diluting material
2
bringing together military forces
3
great and constant diligence and attention
Synonym: assiduity assiduousness
4
the strength of a solution;number of molecules of a substance in a given volume
5
the spatial property of being crowded together
Synonym: density denseness tightness compactness
6
complete attention;intense mental effort
Synonym: engrossment absorption immersion
7
increase in density

数据来源:WordNet

  1. What is the concentration of salt in sea water ?

    海水含盐的浓度是多少?

  2. The colon is the locus of a large concentration of bacteria .

    结肠是大浓度的细菌所在地。

  3. His face was a study in concentration .

    他脸上完全是一副全神贯注的表情。

  4. The drug may affect your powers of concentration .

    这种药可能会影响你的注意力集中。

  5. He pleaded family problems for his lack of concentration .

    他解释说注意力分散是因为有家庭问题。

  6. You cannot afford to relax your concentration for a moment .

    你必须集中精力,一刻都不能松懈。

  7. Chess is a game that calls into play all your powers of concentration .

    国际象棋是一项需要全神贯注的活动。

  8. She was possessed of exceptional powers of concentration .

    她有高超的专注能力。

  9. His concentration lapsed after a few minutes .

    几分钟后他的注意力就下降了。

  10. Tiredness affects your powers of concentration .

    疲劳影响注意力的集中。

  11. She frowned with concentration .

    她全神贯注,紧锁双眉。

  12. Her brow furrowed in concentration .

    她眉头紧锁全神贯注。

  13. I knew that concentration was the first requirement for learning .

    我知道专心致志是学习的首要条件。

  14. 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。

  15. 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。

  16. 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。

  17. His ability to absorb information was astonishing , but his concentration span was short

    他吸收信息的能力令人吃惊,但是他的注意力持续时间很短。

  18. I had a little lapse of concentration in the middle of the race

    我在比赛中途一时走神。

  19. In strong concentrations it can cause nausea and vomiting .

    浓度过高会导致恶心呕吐。

  20. Total concentration is required with no distractions .

    要全神贯注,不能有丝毫分神。

  21. He plays the character with tremendous concentration combined with a pleasing modesty .

    他表演这个角色时倾注了巨大的心血,而且非常谦虚和善。

  22. 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。

  23. He paused and narrowed his eyes in concentration .

    他停下来,眯起眼睛专注地看着。

  24. In heavy concentrations , ozone is irritating to the eyes , nose and throat .

    高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。

  25. Neal kept interrupting , breaking my concentration

    尼尔不停地打断我,使得我无法集中注意力。

  26. Concentration is a practical way of achieving greater efficiency .

    全神贯注是达到更高效率的切实有效的方法。

  27. She wrinkled her brows in concentration .

    她蹙额皱眉,陷入沉思。

  28. You have to study with concentration .

    你得静下心来学习。

  29. It 's the sort of work that calls for a high level of concentration .

    这工作需要高度集中注意力。

  30. A gas in solution diffuses from region of greater to one of less concentration .

    溶液中的气体由浓度较高的区域向浓度较低的区域扩散。

前缀
e-表强调

conclusion n. 结论

con- 表强调 + clus 关闭 + -ion 行为,状态

confident adj. 自信的

con- 表强调 + fid 信任;信念 + -ent ...的

confidence n. 信心

con- 表强调 + fid 信任;信念 + -ence 性质;状态

后缀
e-行为, 状态

opinion n. 意见

op- 选择 + -in- + -ion 行为, 状态

composition n. 作文

compos(e) 作曲 + -ite 属于 + -ion 行为, 状态