concentrate

Word family  noun concentration adjective concentrated verb concentrate

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++con·cen·trate1 /ˈkɒnsəntreɪt $ ˈkɑːn-/ ●●● S2 W2 AWL verb  1  [intransitive]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。n GrammarYou concentrate on something: I’m trying to concentrate on my work. ✗Don’t say: I’m trying to concentrate in my work.2  HERE[intransitive, transitive] 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 → concentrationbe 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。n Grammar 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。4. [transitive]LIQUID to make a substance or liquid stronger by removing some of the water from it 浓缩〔液体〕 → concentrated5 concentrate (something) on something phrasal verb 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。→ See Verb table

Examples from the Corpus

concentrate• I tried to read a few pages, but I found it hard to concentrate.• Okay, I'll stop talking so you can concentrate.• My general plan was now to concentrate all the force possible against the Confederate armies in the field.• About 600 people work on Unocal properties in the state, with most concentrated in the Central and Southern California areas.• The study concentrated on physics, not biology, Adams emphasized.• The analysis can be simplified by concentrating on the d.c. and fundamental components of voltage and current.• There were so many people talking that I couldn't concentrate on the music.• Sherman sat hunched forward and staring through the windshield, trying to concentrate on the traffic.• Founded in 1981, Softbank concentrated on two domestic markets: publishing and computer-software distribution.• Plant roots in the peats and estuarine sediments concentrate uranium in cell walls, especially in regions associated with transpiration processes.concentrate on• Turn off the TV, so you can concentrate on your homework.concentrate in/at• The minority population is concentrated in a few regions or states.• Democratic voters were also more likely to be concentrated in counties that did not check ballots for errors in the precinct.• Will they continue to be concentrated in large companies or will there be a growth in the relative importance of small firms?• And they are concentrated in some of the key battleground states for the presidential election.• Radium is readily absorbed into the body where it concentrates in the bone marrow and gives off very damaging alpha particles.• That volatility has risen as the stocks become increasingly concentrated in the hands of a relatively few mutual funds.• Then it can be argued that too much power is being concentrated in the hands of the minister.• We have concentrated in this chapter on theoretical approaches to the demand for sport.

Related topics: Food, Industry

concentrate2 noun [countable, uncountable]  1 DFTIa 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

concentrate• The fields became parched and brown and the cattle required additional concentrate feed much as they had done the previous year.• As they had need, they drew aside to let ore wagons pass with their loads of concentrate and matte.Origin concentrate1 (1600-1700) con- + Latin centrum “center”

con·cen·trate1 verb →n GRAMMAR1 →n GRAMMAR2concentrate2 nounLDOCE OnlineChineseSyllable  

about very something Corpus carefully to think

concentrate

I

con‧cen‧trate¹ S2 W2 AC /ˈkɒnsəntreɪt $ ˈkɑːn-/ verb1. [intransitive] to think very carefully about something that you are doing ⇨ concentration:
    Now please concentrate.
    Adrian was finding it difficult to concentrate.
    concentrate on
    Be quiet – let me concentrate on my homework.
2. [intransitive and transitive] to be present in large numbers or amounts somewhere, or to cause people or things to be present in large numbers or amounts somewhere ⇨ concentration
    concentrate something in/at something
    Italian industry is concentrated mainly in the north.
    Construction of the aircraft is being concentrated at Prestwick.
    concentrate in/at
    Women concentrate in a small number of occupations.
3. something concentrates the mind if something concentrates the mind, it makes you think very clearly:
    Relaxing in a Jacuzzi concentrates the mind wonderfully.
4. [transitive] to make a substance or liquid stronger by removing some of the water from it ⇨ concentrated
     
concentrate (something) on something phrasal verb
  to give most of your attention or effort to one thing
   SYN  focus on:
    Doctors are aiming to concentrate more on prevention than cure.
    concentrate your efforts/attention/energy/mind etc on something
    I’m concentrating my efforts on writing my autobiography.

II

concentrate² noun [uncountable and countable]
a substance or liquid which has been made stronger by removing most of the water from it:
    orange juice concentrate
     

THESAURUS

   ▪ pay attention to carefully listen to, look at, or think about something or someone: She told the class to stop talking and pay attention. | In any relationship, it helps to pay attention to each other’s needs.
   ▪ concentrate to think carefully about something that you are doing and not let other things disturb your thoughts: I tried to read a few pages, but I was too upset to concentrate. | Children need their own quiet space where they can concentrate on their homework.
   ▪ keep your mind on something to continue to pay attention to something, especially when you are very excited or worried about something else: On Friday, the day of the party, I had a dreadful time keeping my mind on my work. | Good football players keep their minds on the game at all times.
   ▪ keep your eyes on something to keep watching something carefully, so that you do not make any mistakes: The first rule of driving is to keep your eyes on the road. | Keep your eyes on the ball – now swing!
   ▪ be engrossed in something to be paying so much attention to a book, a conversation, some work etc, that you do not notice what is happening around you: Helen was sitting up in bed, engrossed in a novel. | He was so engrossed in what he was doing he didn’t even hear the doorbell ring.
   ▪ be absorbed in something to be giving all your attention to something, especially something you are reading, watching, or thinking about: The little boy sat at the edge of the pond, totally absorbed in watching the fish. | He was a quiet man who often seemed to be absorbed in his own thoughts. | Matilda was curled up in an armchair, absorbed in a book.
   ▪ give something/somebody your undivided attention to give all your attention to something or someone and not do anything else – used especially when this is something you want or need to do: Come round when the kids are in bed so I can give you my undivided attention. | Once I’ve finished my exams, I’ll be able to give my undivided attention to looking for a job.