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  1. mental age

    • IPA[ˈmen(t)l āj]

    美式

    • n.
      a person's mental ability expressed as the age at which an average person reaches the same ability
    • noun: mental age, plural noun: mental ages

    • 釋義

    名詞

    • 1. a person's mental ability expressed as the age at which an average person reaches the same ability she was 65 but had a mental age of two