及物动词：

1.集中；聚集，集结

2.浓缩

3.【矿】精选，富集

不及物动词：

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

词形变化

形容词concentrative

副词concentratively

名称concentrator

时态concentrated，concentrating，concentrates

单词分析

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。

英语解释

direct one's attention on something

draw together or meet in one common center

make more concise

compress or concentrate

make central

cook until very little liquid is left

be cooked until very little liquid is left

make (the solvent of a solution) dense or denser

a concentrated example

a concentrated form of a foodstuff; the bulk is reduced by removing water

the desired mineral that is left after impurities have been removed from mined ore