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  1. Oxford American Dictionary

    attention span

    • IPA[əˈten(t)SHən span]
    • n.
      the length of time for which a person is able to concentrate mentally on a particular activity

    • noun: attention span, plural noun: attention spans

    • 釋義

    名詞

    • 1. the length of time for which a person is able to concentrate mentally on a particular activity used effectively, humor can prolong the attention span of the students the youths have low boredom thresholds and short attention spans