concentrate on 集中, 全神贯注于
- I can't concentrate on my work when I'm tired.
我累了就无法集中精力工作。 - Having failed my French exams, I decided to concentrate on science subjects.
我因法语考试不及格而决心专攻理科. - It's too hot to concentrate on book.
热得不能集中心思看书。
concentrate on
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