dripstone
/ˈdrɪpstəʊn/the form of calcium carbonate existing in stalactites or stalagmites 钟乳石
noun [物质名词][建] 滴水石；石笋
There is a small broken dripstone formation near the entrance.
入口附近有一个小的破滴水石。
单词造句:
There is a small broken dripstone formation near the entrance.
入口附近有一个小的破滴水石。