短語詞組短語compound cross -bedding 複郃交錯(cuò)層理choppy cross -bedding 皺紋狀交錯(cuò)層理zigzag cross -bedding 鋸齒狀交錯(cuò)層理hummocky cross -bedding 圓丘狀交錯(cuò)層理pseudo cross -bedding 假交錯(cuò)層理foreset cross -bedding 前積交錯(cuò)層理torrential cross -bedding 急流交錯(cuò)層理;急流交錯(cuò)層trough cross -bedding 槽形交錯(cuò)層tabular cross -bedding 板狀交錯(cuò)層理 返回 cross bedding