concentration

【发音】

美 /'kɑnsn'treʃən/ 英 /ˌkɒnsn'treɪʃn/

【翻译】

1. n. 集中； 专注， 专心； 浓缩； 浓度

   英释:the ability to think about something carefully or for a long time

【短语】

1. concentration of sth : 集中；聚集

2. high concentration : 高浓度，高强度

3. stress concentration : 应力集中

4. concentration on : 注意力集中于…

5. low concentration : 低浓度；低集中度

6. gas concentration : 气体浓度；气含量

7. sediment concentration : 含沙量；沉积物浓度

8. solution concentration : 溶液浓度

9. ion concentration : 离子浓度

10. dust concentration : 粉尘浓度；尘末浓度

11. mass concentration : 质量浓度

12. concentration camp : 集中营

13. initial concentration : 起始浓度；初浓度

14. salt concentration : 盐浓度，含盐浓度

15. concentration ratio : 集中度；浓度比率

16. concentration factor : 集中系数；浓缩系数

17. alcohol concentration : 酒精浓度

18. concentration polarization : 浓差极化

19. stress concentration factor : 应力集中系数

20. volume concentration : [化]体积浓度；体积密度

【例句】

1. She needed all her powers of concentration to stop herself from slipping on the icy road.

   她需要集中全部注意力才能不让自己在结冰的路上滑倒。

2. Lack of concentration was a real problem.

   注意力不集中是个大问题。

3. I lost my concentration and fell asleep.

   我精神一放松就睡着了。

【真题例句】

1. (2017.12 • CET6 • 第一套 • 阅读理解)...There's little doubt that nearly everyone who comes in contact with the net has difficulty concentration than it takes to post a status update...

2. (2011.12 • CET6 • • 阅读理解)...The effect of policies generating long-term resource concentration has also created a distinctive set of universities which are research-led and commercially active...

3. (2011.12 • CET6 • • 阅读理解)...It seems clear that the concentration of research and commercialization work creates differences between universities...

【同、近义词】

1. n.[物][化学]浓度；集中；浓缩；专心；集合

   thickness/compression/assembly/convergence/set/

【同根词】

1. adj

   concentrated : 集中的；浓缩的；全神贯注的

2. n

   concentrate : 浓缩，精选；浓缩液

   concentricity : 同心；集中性

3. v

   concentrated : 集中（concentrate的过去分词）

   concentre : 集中于一点

4. vi

   concentrate : 集中；浓缩；全神贯注；聚集

   concenter : 聚集于一点

5. vt

   concentrate : 集中；浓缩

   concenter : 集合