noun 下载 🔗分享 白云岩,白云石岩。 A sedimentary carbonate rock that contains a high percentage of the mineral dolomite. Examples : "The hiking trail was made of crushed dolostone, giving it a distinctive light grey color and a rough surface. " 这条徒步小径是用碎白云岩铺成的,呈现出独特的浅灰色,表面也比较粗糙。 geology mineral material 与AI对话词汇游戏阅读练习