concentrate/'kɒnsəntreɪt $ 'kɑːn-/

v. give all your attention to sth

v. [I; T] 集中注意力；聚精会神：[concentrate on (doing) sth] You should concentrate on your homework. 你应该集中注意力做家庭作业。

◇concentrate your mind on the task 集中思想做这件事

构词con (= com-) + centre + -ate

常犯错误

✗ She was concentrated on saving life.

✓ She was concentrating on saving life. 她正全神贯注救人。