1. concentrate on 关注，专心致志于；集中（于一点） concentrate sth. on/upon sth. 集中……于…… concentrated adj. 专心的 concentration n. 专心，专注 练习: 作为一名中学生，你应该把精力集中在如何掌握学习技巧上。 As a senior high student, you should ________________________ how to master the skills of learning.

concentrate your energy on