n.泥石；泥岩

The geologist was examining the layers of mudstone in the cliff face.
地质学家正在检查悬崖上的泥岩层。
The mudstone formation contained fossils that were millions of years old.
泥岩地层中包含着数百万年前的化石。
The construction crew encountered hard mudstone while digging the foundation for the new building.
建筑队在为新大楼挖掘地基时遇到了坚硬的泥岩。
The ancient pottery was found buried in a layer of mudstone.
古老的陶器被发现埋藏在一层泥岩之中。
The artist used mudstone to create a sculpture of a horse.
艺术家用泥岩创作了一匹马的雕塑。
The mudstone was so dense that it was difficult to drill through.
泥岩非常致密，难以钻透。
The paleontologists were excited to discover a complete dinosaur skeleton encased in mudstone.
古生物学家兴奋地发现了被泥岩包裹的完整恐龙骨架。
The mudstone cliffs provided a stunning backdrop for the coastal town.
泥岩悬崖为海滨小镇提供了壮观的背景。
The archaeologists carefully excavated the mudstone ruins of an ancient city.
考古学家小心翼翼地挖掘着古代城市的泥岩废墟。
The mudstone walls of the cave protected the prehistoric paintings from the elements.
洞穴的泥岩墙壁保护了史前壁画免受自然因素的影响。