noun 下载 🔗分享 云母 Any of a group of hydrous aluminosilicate minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. Examples : "The artist used glitter made with small flakes of mica to make the painting sparkle. " 艺术家用了用小片云母制成的闪粉,让这幅画闪闪发光。 material geology mineral substance 与AI对话词汇游戏阅读练习