noun 下载 🔗分享 辉石,似辉石类矿物 Any of a group of crystalline minerals containing silicates of iron, magnesium and calcium. Examples : "The geologist found several dark, shiny crystals of pyroxene in the rock sample she collected. " 地质学家在她采集的岩石样本中发现了好几颗深色、闪亮的辉石晶体。 mineral geology 与AI对话词汇游戏阅读练习