noun🔗Share铬， 铬元素 A chemical element (symbol Cr) with an atomic number of 24: a steely-grey, lustrous, hard and brittle transition metal.""The shiny, silver-colored trim on my old car is made of chromium, making it resistant to rust." "我老车上那些闪亮的银色装饰条是铬做的，这使得它不易生锈。elementchemistrysubstancematerialscienceChat with AIVocabulary GamePractice Reading
