n. 集中, 专心
The man's long concentration on the project.
六级 · CET-6 2025年12月 第1套
And the occasional absence of focus ultimately helps concentration in the long run.
六级 · CET-6 2025年6月 第3套
·2023年12月六级真题(第二套)· C) Cape Canaveral contains one of the greatest concentrations of colonial shipwrecks in the world.
六级 · CET-6 2023年12月 第2套
But having to pay attention to several things at once means that the powers of concentration are reduced and that can lead to more mistakes.
四级 · CET-4 2023年12月 第2套
The scientists measured concentrations of stress hormones in the students' saliva(唾液) before and after the talk.
四级 · CET-4 2022年12月 第1套