digtellum

例句：

1. 1.The geologist is analyzing the layers of rock in the area.
   地质学家正在分析该地区的岩石层次。
2. 2. The earthquake caused a rupture in the crust, leading to a landslide.
   地震导致地壳破裂，引发了山体滑坡。
3. 3. The mineralogist studied the minerals found in the digtellum layer.
   矿物学家研究了地壳中矿物质的分布。