noun🔗Share成色, 克拉 A unit of fineness or concentration of gold equalling 1/24 part of gold in an alloy."The gold ring was 18 karat, meaning it contained 18 parts gold out of 24. "这个金戒指是18K金的，也就是说它含有24分之18的黄金。materialsubstancevalueamountbusinessChat with AIVocabulary GamePractice Reading
