1630s, "to bring or come to a common center," from concenter (1590s), from Italian concentrare, from Latin com- "together" (see com-) + centrum "center" (see center (n.)). Meaning "condense" is from 1680s. Sense of "mentally focus" is c. 1860. Related: Concentrated; concentrating.
concentrate (n.)
1883, from concentrate (v.).
实用例句
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.
