noun 下载 🔗分享 佝偻病，软骨病。 A disorder of infancy and early childhood caused by a deficiency of vitamin D, causing soft bones. Examples : "The doctor said the child's bowed legs were a sign of rickets, likely caused by not getting enough vitamin D. " 医生说孩子O型腿是得了佝偻病的迹象，很可能是因为缺乏维生素D引起的。 medicine disease body physiology biochemistry anatomy condition science biology 与AI对话词汇游戏阅读练习
