• 一种由于缺少维生素c引起疾病,症状为多孔流血牙床,皮下出血和极度虚弱

    A disease caused by deficiency of vitamin c, characterized by spongy and bleeding gums, bleeding under the skin, and extreme weakness.

    youdao

  • 一种由于缺少维生素c引起疾病,症状为多孔流血牙床,皮下出血和极度虚弱

    A disease caused by deficiency of vitamin c, characterized by spongy and bleeding gums, bleeding under the skin, and extreme weakness.

    youdao

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