noun 다운로드 🔗공유 구루병 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. " 의사는 아이의 휜 다리가 구루병의 징후이며, 비타민 D를 충분히 섭취하지 못해서 발생했을 가능성이 높다고 말했다. medicine disease body physiology biochemistry anatomy condition science biology AI와 채팅어휘 게임독해 연습
