noun 下载 🔗分享 石英岩 A metamorphic rock consisting of interlocking grains of quartz. Examples : "The hiking trail was made of crushed quartzite, which sparkled in the sunlight. " 这条徒步小路是用碎石英岩铺成的,在阳光下闪闪发光。 geology material 与AI对话词汇游戏阅读练习