concentratecon•cen•trate /'kɒnsəntreɪt/

vt

1. 集中；集聚，集结

• He was unable to concentrate efforts on his academic research. 他不能把精力集中在学术研究上。

2. 浓缩

• concentrate sugar solution into syrup 将糖液浓缩为糖浆

vi

1. 集中；集聚，集结

• The bulk of the population concentrates in the cities. 人口的大部分集中在城市。

• The black clouds concentrated into a dense mass. 乌云密布。

2. 全神贯注；全力以赴

• They concentrated on their new task. 他们全力以赴投入新工作。

• She concentrated on studying for her exam. 她全神贯注地学习，准备应考。