noun🔗Share칼슘The chemical element (Symbol Ca), with an atomic number 20. It is a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks."My doctor recommended I take a calcium supplement to strengthen my bones. "의사는 뼈를 튼튼하게 하기 위해 칼슘 보충제를 복용하라고 권했습니다.elementchemistrysubstancematerialscienceChat with AIVocabulary GamePractice Reading
noun🔗Share이 원소의 원자An atom of this element."The scientist studied the calcium atom's structure in the lab. "과학자는 실험실에서 칼슘 원자 구조를 연구했다.elementchemistrymineralsubstanceChat with AIVocabulary GamePractice Reading
