noun🔗Share白钨矿 A mineral composed of calcium tungstate, with the chemical formula CaWO4; an important tungsten ore."Miners extract scheelite from the earth because it is a valuable source of tungsten. "矿工们从地下开采白钨矿,因为它是一种有价值的钨矿来源。mineralgeologychemistrysubstancematerialChat with AIVocabulary GamePractice Reading