noun🔗Share砂岩 A sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc."The old stone monument was made of sandstone, showing how sand and clay over time formed a rock. "那座古老的石碑是用砂岩制成的，展示了沙子和黏土是如何随着时间流逝形成岩石的。geologymaterialChat with AIVocabulary GamePractice Reading
