noun 下载 🔗分享 角闪石,闪石。 Any of a large group of structurally similar hydrated double silicate minerals, containing various combinations of sodium, calcium, magnesium, iron, and aluminium/aluminum Examples : "The geologist identified the dark, shiny crystals in the rock sample as amphibole, noting their complex silicate structure and varying metal content. " 地质学家鉴定出岩石样本中那些深色、闪亮的晶体是角闪石,并指出它们复杂的硅酸盐结构和变化的金属含量。 mineral geology material chemistry 与AI对话词汇游戏阅读练习