1
concentrate on sth/doing sth
表示将注意力集中在某事物上。
I need to concentrate on my studies.
我需要集中精力学习。
专注；集中（注意力）
concentrates — third person singular of concentrate
先理解核心含义，再看它在真实句子里的用法。
专注；集中（注意力）
to focus one's thought or attention on something
I need to concentrate on my studies.
我需要集中精力学习。
浓缩,提纯
To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense.
集中,聚集
To approach or meet in a common center; to consolidate.
集中(思想或注意力)
To focus one's thought or attention (on).
concentrate
Base
原形
concentrates
3rd person
第三人称单数
concentrating
-ing
现在分词
concentrated
Past
过去式
concentrated
Past participle
过去分词
I concentrate on my work.
我专注于我的工作。
She is concentrating on the problem.
她正在集中精力解决这个问题。
He concentrated hard during the exam.
他考试时高度集中注意力。
规则动词，过去式和过去分词加-ed。
I need to concentrate on my homework before the exam.
我需要在考试前集中精力做作业。
The chef concentrated the sauce by boiling it for an hour.
厨师通过煮一个小时浓缩了酱汁。
The population is concentrated in the coastal cities.
人口集中在沿海城市。
表示将注意力集中在某事物上。
I need to concentrate on my studies.
我需要集中精力学习。
可用于将资源、注意力等集中于某处。
She concentrated her efforts on finding a solution.
她把精力集中在寻找解决方案上。
指使液体等变浓或浓缩。
The factory concentrates the juice to make it last longer.
工厂将果汁浓缩以延长保质期。
Not this
I need to concentrate to my homework.
Use this
I need to concentrate on my homework.
错误：误用不定式“to”表示目的，但“concentrate”后应接介词“on”引出专注的对象。改正后使用“concentrate on”结构，意思为“集中注意力于...”。
Not this
She cannot concentrate her study.
Use this
She cannot concentrate on her study.
错误：直接将“concentrate”用作及物动词后接宾语，但“concentrate”作“专心”解时是不及物动词，需加介词“on”才能接宾语。改正后正确使用了“concentrate on”短语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
集中注意力于
Please concentrate on your homework.
请集中注意力做作业。
集中精神
Meditation helps to concentrate the mind.
冥想有助于集中精神。
集中努力
We need to concentrate our efforts on the main issue.
我们需要集中努力解决主要问题。
浓缩溶液
Boil the liquid to concentrate the solution.
煮沸液体以浓缩溶液。
集中火力
The troops were ordered to concentrate fire on the enemy position.
部队奉命集中火力攻击敌军阵地。
集中资源
The company decided to concentrate resources on R&D.
公司决定将资源集中于研发。
集中注意力，使精神集中
The approaching deadline concentrated his mind wonderfully.
临近的期限极大地集中了他的注意力。
集中精力
We need to concentrate our efforts on finding a solution.
我们需要集中精力寻找解决方案。
集中火力攻击那艘超级歼星舰！
Admiral Ackbar in Star Wars: Return of the Jedi
《星球大战：绝地归来》中阿克巴上将的命令
我需要集中精力工作。
John Nash in A Beautiful Mind
《美丽心灵》中约翰·纳什的台词
Use concentrates naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
con（共同）+ center（中心）= 把注意力集中到中心一点。
通常用于学习、工作等需要专注的场合；语域中性偏正式。
常与介词on连用，表示集中注意力于某事
Dictionary facts from ECDICT, WIKTIONARY.