锺乳体

例句：

1. 1. The cave's ceiling is covered in beautiful crystal formations known as gypsum crystals.
   洞穴的天花板覆盖着美丽的晶体，被称为石膏晶体。
2. 2. The erosion of the limestone cliff has created many stunning stalactites and stalagmites.
   石灰岩悬崖的侵蚀已经创造了许多壮观的石笋和石柱。
3. 3. The discovery of these unique structures has sparked a renewed interest in the study of geology.
   这些独特的结构发现引发了对地质学研究的新一轮兴趣。