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  1. critical period

    • n.
      a period during someone's development in which a particular skill or characteristic is believed to be most readily acquired.
    • noun: critical period, plural noun: critical periods

    • 更多解釋
    • IPA[ˈkridəkəl ˈpirēəd]
    • n.
      a period during someone's development in which a particular skill or characteristic is ...

    Oxford American Dictionary