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  1. developmental delay

    • n.
      the condition of a child being less developed mentally or physically than is normal for its age
    • noun: developmental delay

    • 釋義

    名詞

    • 1. the condition of a child being less developed mentally or physically than is normal for its age mercury contributes to many known health problems, including neurological injury, developmental delay, and cerebral palsy
    • 更多解釋
    • n.
      the condition of a child being less developed mentally or physically than is normal for its age: mercury contributes to many known health problems, including neurological injury, developmental delay, and cerebral palsy

    Oxford Dictionary