Earth-cumulic surface horizon

• 覆盖层

Earth-cumulic surface horizon的用法和样例：

例句

1. The confining material rises to the surface.
   覆盖层升高至地表。
2. The surface is the relatively thin covering of soil and unconsolidated rock waste.
   浮土是由土壤和未固结岩屑组成的比较薄的覆盖层。