concentration
/ˌkɑnsənˈtreɪʃən/
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n. 專注力；集中；濃度
- Short breaks every hour can improve your concentration during long working days. 在漫長的工作日裡，每小時短暫休息一下可以提升專注力。
其他意思
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n. 專心, 集中, 濃度
Concentration on something involves giving all your attention to it.
- Neal kept interrupting, breaking my concentration
字根
centr, center 中心
con + centr + ation一起、完全 + 中心 + 名詞