concentrate
美[ˈkɑ:nsntreɪt] vt.浓缩，（使）浓缩；[采矿]汰选；选矿，精选，富集
vi.凝缩，浓缩，提纯
n.浓缩物
adj.集中起来的，经过浓缩的
网络聚集；精矿；集中精力；浓缩物
1 . They will concentrate on teaching the basics of reading, writing and arithmetic.
他们将集中教授阅读、写作和算术基础知识。
来自柯林斯例句
2 . We must concentrate our energies on treating addiction first.
我们必须首先集中精力治疗毒瘾。
来自柯林斯例句
3 . A term in prison will concentrate his mind wonderfully.
一想到要被判刑，他的头脑就会变得非常清醒。
来自柯林斯例句
4 . They should concentrate on rejuvenating the existing vegetation, like grass and shrubs.
他们应该侧重于修整现有的绿化植被，比如草和灌木。
来自柯林斯例句
5 . The group plans to concentrate on six core businesses.
该集团打算主营6种业务。
来自柯林斯例句
1.the desired mineral that is left after impurities have been removed from mined ore
2.a concentrated form of a foodstuff; the bulk is reduced by removing water
3.a concentrated example;
the concentrate of contemporary despair
1.make (the solvent of a solution) dense or denser
2.direct one's attention on something;
Please focus on your studies and not on your hobbies
3.make central;
The Russian government centralized the distribution of food
4.make more concise;
condense the contents of a book into a summary
5.draw together or meet in one common center;
These groups concentrate in the inner cities
6.compress or concentrate;
Congress condensed the three-year plan into a six-month plan
7.be cooked until very little liquid is left;
The sauce should reduce to one cup
8.cook until very little liquid is left;
The cook reduced the sauce by boiling it for a long time