noun🔗Share란타넘, 화학 원소A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air."The chemistry student learned that lanthanum is a silvery metal used in some camera lenses. "화학을 배우는 학생은 란타넘이 일부 카메라 렌즈에 사용되는 은색 금속이라는 것을 알게 되었다.elementsubstancematerialchemistryscienceChat with AIVocabulary GamePractice Reading
noun🔗Share이 원소의 원자An atom of this element."The chemistry student pointed to lanthanum on the periodic table and said, "An atom of lanthanum has 57 protons." "화학 학생은 주기율표에서 란타넘을 가리키며 "란타넘 원자는 57개의 양성자를 가지고 있다"고 말했다.elementchemistrysubstancematerialscienceChat with AIVocabulary GamePractice Reading
