noun 다운로드 🔗공유 상아질 The hard, dense calcareous material that makes up the bulk of a tooth Examples : "The dentist explained that the cavity had reached the dentine, which is why my tooth was so sensitive. " 치과 의사는 충치가 상아질까지 도달하여 이가 그렇게 민감했던 이유라고 설명했습니다. anatomy material body physiology medicine AI와 채팅어휘 게임독해 연습