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