concentrate

英['kɔnsəntreit]美['kɔnsəntreit]

v.[T]
1.集中；聚集，集结
2.浓缩
3.【矿】精选，富集
v.[I]
1.集中；聚集，集结
2.全神贯注；全力以赴
3.浓缩
n.
浓缩物；精饲料；【矿】精矿

同：	[n.] dressed ore [v.] centralise, condense, contract, focus
反：	[v.] decentralise, decentralize, deconcentrate

concentrate，focus

这两个动词均有“集中，聚集”之意。
concentrate指把人或物集中在一起，也可指把精力或注意力集中于某一事物上。
focus侧重指把光、热、射线等集中于一点，也可指把思想或精力等集中于某人或某事情上。

A psychotic or neurotic condition characterized by an inability to concentrate, insomnia, and feelings of extreme sadness, dejection, and hopelessness.
忧郁症一种精神或神经状态，其特征是不能集中精力，失眠，感到过度忧郁、沮丧和绝望。收藏
So long as we persist in the new assessment and the new policy, we can concentrate without fear on the drive for modernization.
只要坚持这样的判断和这样的政策，我们就能放胆地一心一意地好好地搞我们的四个现代化建设。收藏
He slept badly at night and couldn't concentrate in class at daytime
他夜里睡不好,白天上课时思想开小差。收藏
She has an ability to concentrate on every sentence and to work and rework every passage until it is right
她能在字里行间反复推敲，逐段再三修改，直至无懈可击为止。收藏
"He has difficulty in sleeping, inability to concentrate."
他不易入睡,也难集中精神。收藏

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the desired mineral that is left after impurities have been removed from mined ore
[同] concentrate, dressed ore
a concentrated form of a foodstuff; the bulk is reduced by removing water

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