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.).
雙語例句
1. They will concentrate on teaching the basics of reading, writing and arithmetic.
他們將集中教授閱讀、寫作和算術(shù)基礎(chǔ)知識。
來自柯林斯例句
2. We must concentrate our energies on treating addiction first.
我們必須首先集中精力治療毒癮。
來自柯林斯例句
3. A term in prison will concentrate his mind wonderfully.
一想到要被判刑，他的頭腦就會變得非常清醒。
來自柯林斯例句
4. They should concentrate on rejuvenating the existing vegetation, like grass and shrubs.
他們應(yīng)該側(cè)重于修整現(xiàn)有的綠化植被，比如草和灌木。
來自柯林斯例句
5. The group plans to concentrate on six core businesses.