音标:[ˈkɔnsəntreits] ;
v. 专心于( concentrate的第三人称单数 ); 注意; 集中; 聚集
n the desired mineral that is left after impurities have been removed from mined ore
n a concentrated form of a foodstuff; the bulk is reduced by removing water
n a concentrated example of something
v make denser, stronger, or purer
v direct one's attention on something
v make central
v make more concise
v draw together or meet in one common center
v compress or concentrate
v be cooked until very little liquid is left
v cook until very little liquid is left

concentrate的用法和样例:

例句

用作动词(v.)
  1. I can't concentrate on my work when I'm tired.我累了就无法集中精力工作。
  2. The confusing matters make him unable to concentrate on his study.那么多烦心事使他无法专心学习。
  3. The crowds concentrated round the palace.人群汇集在宫殿的四周。
  4. Birds concentrate in places where food is abundant.鸟聚集在食物丰盛的地方。
  5. We can concentrate sugar solution into syrup.我们可以将糖的溶液浓缩为糖浆。
用作名词(n.)
  1. It is an orange concentrate which you dilute with water.这是一种兑水饮用的浓缩橙汁.

常见句型

用作动词(v.)
用作不及物动词S+~(+A)
  1. I can't concentrate when I'm hungry.我饿了就无法集中精力。
  2. I can't concentrate amid all these distractions.在这些干扰中,我不能集中心思。
用作及物动词S+~+ n./pron.
  1. The general decided to concentrate his forces near the capital.这位将军决定把他的部队集中在首都附近。
  2. Concentrate the broth by boiling it.把肉汤煮得浓一些。
  3. 1
  4. An acid solution is concentrated when it has very much acid in it.当酸溶液里含有很多酸时,它就被浓缩了。

常用短语

用作动词(v.)
concentrate at (v.+prep.)
    〈军事〉(使)集结于某处 (cause to) gather in force at (a certain place)concentrate at sth

    Most of our forces have concentrated at the bridge.

    我们大部分兵力都已集结在大桥那里。

    When the enemy's ships are all concentrated at the entrance to the harbour, it must mean trouble.

    当敌人的船只都集结在海港入口处时,这肯定意味着要出事了。

concentrate in (v.+prep.)
    集中于某处 gather at a certain placeconcentrate in sth

    The bulk of the population concentrates in the cities.

    大部分人口集中在城市里。

    The crowds concentrated in the centre of the town near the royal palace.

    一群群的人聚集在皇宫附近的市中心。

    concentrate sth in sth

    Modern industry has been concentrated in a few urban centres.

    现代工业全集中在有限的几个市中心。

    Industrial development is being concentrated in the South of the country.

    工业的发展现正集中在该国的南部。

    The message is concentrated in the last paragraph.

    信息集中在最后一段。

concentrate on (v.+prep.)
    将…集中于… direct (sth such as one's thoughts) firmly on (a subject)concentrate on sth/v-ing

    I wish you'd concentrate on what I'm saying.

    但愿你能集中注意力听我讲。

    You should concentrate on the road when you're driving.

    开汽车时注意力应集中在路上。

    I can't concentrate on my work when I think of my sick child.

    我想到生病的孩子时就无法专心工作。

    Many firms are concentrating on increasing their markets overseas.

    许多公司正在集中精力开拓它们的海外市场。

    concentrate sth on sth

    We must concentrate our efforts on finding ways to reduce costs.

    我们要集中精力找出降低成本的办法。

    He concentrated his attention on the question of technology.

    他将注意力全都贯注在技术问题上。

    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。

    I tried to concentrate my attention on my English studies.

    我努力把我的注意力集中到我的英语研究上。

词汇搭配

用作动词 (v.)
~+名词
  • concentrate efforts集中力量
  • concentrate one's energies集中精力
  • concentrate one's forces集中兵力
  • concentrate gunfire集中炮火
  • concentrate investment集中资金
  • concentrate broth浓缩肉汤
  • concentrate milk浓缩牛奶
  • concentrate solution浓缩溶液
  • concentrate one's thoughts集中思想
  • concentrate troops集中部队
~+副词
  • concentrate carefully全心贯注
  • concentrate desperately拼命集中
  • concentrate intensely热情聚集
  • concentrate logically集中推理地
  • concentrate mentally集中注意力
  • concentrate swiftly迅速集结
~+介词
  • concentrate against集中…攻击…
  • concentrate sth against the enemy's position集中(炮火)轰击敌人的阵地
  • concentrate in把…集中在…上
  • concentrate in class专心听讲
  • concentrate on a book聚精会神地读书
  • concentrate on increasing markets全力扩大市场
  • concentrate on one's work致力于工作
  • concentrate sth by evaporation通过蒸发浓缩
  • concentrate into把…汇集成,把…浓缩成
  • concentrate into a dense mass乌云密集
  • concentrate on evaporation蒸发而浓缩

经典引文

  • The different rays concentrated by the lens.

    出自:D. Brewster
  • Here Hannibal..concentrated the forces which had been gathered from such distant countries.

    出自:Bosworth Smith
  • To concentrate over-powering affection exclusively on one other human being.

    出自:G. Clare
  • Fury and hate can concentrate a man's mind to an astonishing degree.

    出自:R. Dahl
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