noun 下载 🔗分享 炉渣下的粗金属，金属沉淀物。 An impure metal formed beneath slag during the smelting of ores. Examples : "After the ancient smelter finished processing the copper ore, he carefully separated the valuable, purified copper from the heavy, less desirable regulus that had settled at the bottom. " 古代冶炼工匠处理完铜矿后，小心地将有价值的精炼铜与沉淀在炉底的、较重且价值较低的炉渣下的粗金属分离开来。 material substance chemistry mineral science 与AI对话词汇游戏阅读练习
