noun 下载 🔗分享 砂岩 A sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc. Examples : "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。 geology material 与AI对话词汇游戏阅读练习