noun🔗Share사암A 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. "오래된 석조 기념물은 사암으로 만들어졌으며, 모래와 점토가 시간이 지남에 따라 어떻게 암석을 형성했는지 보여줍니다.geologymaterialChat with AIVocabulary GamePractice Reading
