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IELTS BNC: 1341 COCA: 2358

concentrate

Word family
con·cen·trate1 /ˈkɒnsəntreɪt $ ˈkɑːn-/ ●●● S2 W2 AWL verb  
1 [intransitiveI]ATTENTION to think very carefully about something that you are doing 专注,专心;集中注意力 concentration
 Now please concentrate.
现在请集中注意力。
 Adrian was finding it difficult to concentrate.
阿德里安觉得自己很难集中注意力。
concentrate on
 Be quiet – let me concentrate on my homework.
安静点,让我专心做家庭作业。
nGrammar
You concentrate on something:
I’m trying to concentrate on my work.
Don’t say: I’m trying to concentrate in my work.
2 HERE[intransitiveI, transitiveT] to be present in large numbers or amounts somewhere, or to cause people or things to be present in large numbers or amounts somewhere (使)集中于;(使)汇集于 concentration
be concentrated in/at something
 Italian industry is concentrated mainly in the north.
意大利的工业主要集中在北部。
 Construction of the aircraft is being concentrated at Prestwick.
飞机制造正在向普雷斯特威克集中。
concentrate in/at
 Women concentrate in a small number of occupations.
妇女集中在一小部分行业里。
nGrammar
Concentrate is usually passive in this meaning, when used as a transitive verb.
3 something concentrates the mind if something concentrates the mind, it makes you think very clearly 某物使头脑清醒
 Relaxing in a Jacuzzi concentrates the mind wonderfully.
在按摩浴缸里放松放松可以让头脑非常清醒。
Examples from the Corpus
4. [transitiveT]LIQUID to make a substance or liquid stronger by removing some of the water from it 浓缩〔液体〕 concentrated
5concentrate (something) on something phrasal verbphr v ATTENTIONto give most of your attention or effort to one thing 把注意力集中于,全神贯注于 SYN focus on
 Doctors are aiming to concentrate more on prevention than cure.
医生打算把更多的精力放在疾病的预防而非治疗上。
concentrate your efforts/attention/energy/mind etc on something
 I’m concentrating my efforts on writing my autobiography.
我正在集中精力写自传。
Examples from the Corpus
Examples from the Corpus
Related topics: Food, Industry
concentrate2 noun [countableC, uncountableU]  
1DFTIa substance or liquid which has been made stronger by removing most of the water from it 浓缩物;浓缩液
 orange juice concentrate
浓缩橙汁
Examples from the Corpus
Origin concentrate1
(1600-1700) con- + Latin centrum center

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