concentrate

vt.& vi.专心于；注意；集中；聚集

vt.浓缩，（使）浓缩；[采矿]汰选；选矿，精选，富集

vi.凝缩，浓缩，提纯

n.浓缩物

adj.集中起来的，经过浓缩的

verb

1. 集中（注意力）；聚精会神
   to give all your attention to sth and not think about anything else
   1. I can't concentrate with all that noise going on.
      吵闹声不绝于耳，我无法集中精神。
   2. Nothing concentrates the mind better than the knowledge that you could die tomorrow (= it makes you think very clearly) .
      没有什么比知道自己明天就可能会死去更能让人定下心来去思考种种问题的了。
   3. I decided to concentrate all my efforts on finding somewhere to live.
      我决定全力以赴找个住的地方。
2. 使…集中（或集合、聚集）
   to bring sth together in one place
   1. Power is largely concentrated in the hands of a small elite.
      权力主要集中在少数精英人物的手里。
   2. We need to concentrate resources on the most run-down areas.
      我们需要把资源集中用于最衰败的地区。
   3. Fighting was concentrated around the towns to the north.
      战斗集中在北方诸城镇的周围进行。
3. （使）浓缩
   to increase the strength of a substance by reducing its volume, for example by boiling it

noun

1. 浓缩物
   a substance that is made stronger because water or other substances have been removed
   1. mineral concentrates found at the bottom of rivers
      在河底发现的精矿
   2. jams made with fruit juice concentrate
      用浓缩果汁做的果酱

过去分词:concentrated 现在分词:concentrating 过去式:concentrated 第三人称单数:concentrates 名词复数形式:concentrates

concentrate 集中

con-, 强调。-center, 中心。

1. They will concentrate on teaching the basics of reading, writing and arithmetic
   他们将集中教授阅读、写作和算术基础知识。
2. It was up to him to concentrate on his studies and make something of himself
   是否能专心学习并取得一定成就要靠他自己。
3. Water companies should concentrate on reducing waste instead of building new reservoirs
   自来水公司应该集中精力减少水浪费，而不是修建新水库。
4. At work you need to be able to concentrate
   工作的时候必须要做到聚精会神。
5. This helps you to be aware of time and concentrates your mind on the immediate task.
   这有助于你掌握时间，全神贯注于眼前的任务。
6. Italy's industrial districts are concentrated in its north-central and north-eastern regions
   意大利的工业区集中在该国中北部和东北部地区。
7. Most development has been concentrated in and around cities.
   土地开发主要集中在城市及周边地区。
8. A term in prison will concentrate his mind wonderfully.
   一想到要被判刑，他的头脑就会变得非常清醒。
9. My throat constricted, so that I had to concentrate on breathing.
   我的嗓子发紧，所以我不得不把注意力集中在呼吸上。
10. The group plans to concentrate on six core businesses
    该集团打算主营6种业务。
11. The medicine always made him feel dopey and unable to concentrate.
    那种药物总是让他觉得昏昏沉沉的，无法集中注意力。
12. He wants his ministers to concentrate on implementing policy, not on drawing it up.
    他希望部长们把注意力放在政策的执行上，而不是政策的制定上。
13. We must concentrate our energies on treating addiction first.
    我们必须首先集中精力治疗毒瘾。
14. Her inability to concentrate could cause an accident.
    她无法集中精力可能会导致事故。
15. I am leaving to concentrate on writing fiction.
    我辞职是为了专心写小说。
16. They are prepared to wait longer for a pay-back from investment rather than concentrate on short-term profits.
    他们愿意等待更加长期的投资收益，并不特别在乎短期利润。
17. We should concentrate on sharply reducing interest rates to pull the economy out of recession
    我们应该着力大幅下调利率以使经济走出衰退。
18. They should concentrate on rejuvenating the existing vegetation, like grass and shrubs.
    他们应该侧重于修整现有的绿化植被，比如草和灌木。
19. He found it hard to concentrate on conversation so far removed from his present preoccupations
    他发现很难专注于谈话，因为谈话内容和自己目前的当务之急毫不相干。
20. He was shattered and too tired to concentrate on schoolwork.
    他筋疲力尽，累得都无法集中注意力做作业。
21. Young children have a limited attention span and can't concentrate on one activity for very long.
    小孩子的注意力持续时间十分有限，不能长时间地专注于一个活动。
22. If you don't concentrate more on your work you'll be dismissed.
    假如你不更加专心地工作，你将被解雇。
23. When working, one should concentrate and not allow oneself to be distracted.
    工作时要集中精力，不要分心。
24. We should not just concentrate on one thing to the neglect of everything else.
    不能只抓一头，把别的事都撇在一旁。
25. Please concentrate on the business at hand and don't drag in irrelevant issues.
    请你集中谈这件事，不要牵扯其他问题。
26. After the fun he's had during the holidays, the boy can't concentrate on his school work.
    放了几天假，这孩子的心都玩野了。
27. Parents cannot concentrate on their work if they have too many children.
    孩子多了分心。
28. After a one-week holiday we do have to concentrate again on our work.
    放了一周假，这回该收收心干正事了。
29. Wastewater treatment plants concentrate large quantities of phosphorus and ammonia in their sludge-handling streams.
    一般在污水处理厂的污泥中会富集大量的磷和氨。
30. If you concentrate all your energies on the study of english, you will master the language.
    你若全力以赴地学习英语，你会掌握这门语言的。