noun 下载 🔗分享 灰吹杯, 灰皿。 A small circular receptacle used in assaying gold or silver with lead. Examples : "The assayer carefully placed the molten alloy in the cupel to separate the pure gold from the lead. " 化验员小心地将熔融的合金倒入灰吹杯中，以分离纯金和铅。 utensil material chemistry science 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 灰吹法提纯，精炼 To refine by means of a cupel. Examples : "The assayer will cupel the gold ore to remove impurities and determine the pure gold content. " 化验员将会用灰吹法提纯金矿石，以去除杂质并确定纯金含量。 chemistry material process science industry 与AI对话词汇游戏阅读练习
