concentration 详细解释

concentration

[.kɔnsen'treiʃən]

n.集中, 专心, 浓度

n.

1. 集中[C][U]

There is a concentration of people in big cities.

大城市人口集中。

2. 专心, 专注[U]

Concentration is essential if you want to do a good job.

如果你想把事情做好, 专心是必要的。

3. 浓缩; 浓度[U][S1]

词形变化

形容词: concentrative | 副词: concentratively | 名词: concentrator | 动词过去式: concentrated | 动词过去分词: concentrated | 动词现在分词: concentrating | 动词第三人称单数: concentrates |

词义辨析

同义参见:

speciality  thinking  condensation  study  collection  compression  

反义:

n.集中; 专心

distraction  

英英释义

名词 concentration:

(chemistry) the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter)

the spatial property of being crowded together

同义词:density, denseness, tightness, compactness

strengthening the amount of a substance in a unit amount of another substance (as of a solute in a mixture) by removing the other substance

increase in density

complete attention; intense mental effort

同义词:engrossment, absorption, immersion

bringing together military forces

great and constant diligence and attention

同义词:assiduity, assiduousness

补充

concentrationconcentration英:[ˌkɔnsənˈtreiʃən] 美:[ˌkɑnsənˈtreʃən]n.1.专心, 专注2.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。

例句

1. We lacked concentration and it cost us the goal and the game.我们不太专注, 这让我们丢球并输掉比赛。 2. His concentration on civil rights has improved his popularity.他一心扑在民权事业上, 这让他更受欢迎。 3. There's been too much concentration of power in the hands of central authorities.中央政府手中集权过重。 4. This has also led to a concentration of wealth in a small number of hands.这也导致了财富集中在少数人手里。 5. The concentration of people in cities promotes economic growth.城市人口的集中促进经济增长。 6. The area has one of the world's greatest concentrations of wildlife.这个地区有世界最大的野生动物聚集地之一。 7. the growing concentration of troops in these areas这些地区军队的不断集结 8. the heavy concentration of bombing轰炸的高度集中 9. Global ozone concentrations have dropped over the last decade.过去的十年里, 全球臭氧密度降低了。 10. solutions of relatively low concentration浓度相对较低的溶液 11. high concentrations of chemical pollutants高浓度的化学污染物 12. the concentration of liquid foods流质食物的浓缩 13. frowning in concentration.蹙额深思。 14. the worker needs total concentration.这个工人需要全神贯注。 15. concentration on the needs of the young can mean that the elderly are forgotten.对年轻人需求的注重可能意味着对老年人的忽视。 16. the island has the greatest concentration of seabirds in the north-west.此岛集中了西北部最多的海鸟。 17. the concentration of power in the hands of nobles.贵族手里集中的权力。 18. the gas can collect in dangerous concentrations.此种气体能聚积到引起危险的浓度。 19. This type of work requires total concentration.做这种工作需要全神贯注。 20. There is a high concentration of chemicals in the drinking water here.这里的饮用水化学物质含量很高。 21. the power of concentration专注力 22. All that noise is disturbing my concentration.所有那些噪声都在分散我的注意力。 23. The job required her full concentration.这项工作需要她全神贯注。 24. When you're tired it's easy to lose your concentration.人疲倦时容易失去专注力。 25. There was a concentration on ethics within the agency.这个机构注重内部道德规范。 26. His concentration [=focus] was on gathering evidence for the trial.他的精力都用在了为审判收集证据上。 27. a student who chose law as his field/area of concentration [=his main area of study]选择法律作为主要研究领域的学生 28. There is a concentration of wealth in the cities.城市里聚集了大量的财富。 29. He objects to the concentration of power in the hands of a few rich men.他反对把权力集中在少数富人手中。 30. Officials are expecting a heavy/high concentration of tourists [=are expecting many tourists] for the festival.官方预计节日期间会有大量游客聚集。 31. Contaminants were found in low concentrations. [=amounts]污染物的浓度被证实很低。 32. measuring the concentration of salt in a solution检测溶液中盐的浓度 33. They detected high concentrations of pollutants in the water.他们检测到水中污染物的含量很高。