tabular cross-bedding

例句：

1. 1. The sedimentary rockis characterized by its tabular cross-bedding and layered structure.
   沉积岩以其层理和交错层理特征而著称。
2. 2. The geologist used the tabularcross-bedding to trace the directionof movement in the ancient riverbed.
   地质学家利用层理来追踪古代河流床的移动方向。
3. 3. The tabular cross-bedding provides clues about the depositional environment during the formation of the rock.
   层理为岩石形成过程中的沉积环境提供了线索。