基本解释n.生物地层学同根派生 biostratigraphy相关词英汉例句用作名词 (n.)This paper gives descriptions to biostratigraphy of Cretaceous sedimentary basins and egg fossils from these basins.文中介绍了我国白垩纪几个沉积盆地的生物地层和一些具有特色的蛋化石种类。biostratigraphy更多例句