noun🔗Share氧化铝 Aluminum oxide, especially when used in mining, material sciences or ceramics."The ceramic mug is strong and heat-resistant because it's made with a high percentage of alumina. "这种陶瓷杯非常坚固耐热，因为它是用高比例的氧化铝制成的。materialsubstancechemistryscienceindustryChat with AIVocabulary GamePractice Reading
