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IELTS BNC: 1341 COCA: 2358
Contents
  1. verb
    2. GIVE ATTENTION
    COME TOGETHER
    REMOVE WATER
  2. noun
concentrateverbuk/ˈkɒn.sən.treɪt/ us/ˈkɑːn.sən.treɪt/

concentrate verb GIVE ATTENTION

B1 [ I or T ] to direct your attention or your efforts towards a particular activity, subject, or problem專注，專心；全神貫注；集中（注意力）

Come on, concentrate! We don't have all day to do this.快點兒，集中注意力！我們可沒有一整天時間來幹這事。
I can't concentrate on my work with all that noise.那麽吵，我沒法集中精力。
I find running concentrates the mind (= helps me to think).我發現跑步能使我集中心思。
I'm going to concentrate on my writing for a while.我要專心寫作一會兒。
The company is concentrating (its resources) on developing new products.公司正在集中力量開發新産品。

More examples

I couldn't concentrate on my work - my mind was on other things.

She was concentrating on her book and his voice startled her.

Just try to concentrate on hitting the ball.

I can't concentrate because of all the noise the builders are making.

It's a good film, but the plot is very complicated and you really have to concentrate.

concentrate verb COME TOGETHER

C1 [ T usually passive or I, usually + adv/prep ] to bring or come together in a large number or amount in one particular area集中；聚集；會集；集結

Most of the country's population is concentrated in the north.該國的大多數人口都集中在北部。
In the dry season, the animals tend to concentrate in the areas where there is water.在幹旱的季節，動物常常聚集在有水的地區。

concentrate verb REMOVE WATER

[ T ] to make a liquid or substance stronger and reduce its size by removing water from it使濃縮

concentratenoun [ C or U ]uk/ˈkɒn.sən.treɪt/ us/ˈkɑːn.sən.treɪt/

a liquid from which some of the water has been removed濃縮物；濃縮液

fruit-juice concentrate濃縮果汁

specialized geology an ore from which rock has been removed精礦

a mineral concentrate精礦

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