noun🔗Share赤铁矿, 红矿。 An iron ore, mainly peroxide of iron, Fe2O3."The shiny, reddish-brown color of that rock indicates it's likely hematite, an iron ore. "那块岩石闪亮的红棕色表明它很可能是赤铁矿,一种铁矿石。geologymaterialmineralchemistrysubstanceChat with AIVocabulary GamePractice Reading