surface soil
n. 表土；（用于农耕的）地面土壤
同义词
参考例子
1.The surface soil salt content increases gradually from south to north in the horizontal direction.
结果表明，在水平方向上，由南至北，表土含盐量逐渐增大。
2.In loessial regions and alluvial valley fills of the western United States, both surface soil and subsoil are commonly friable.
在美国西部黄土区和冲积河谷里，表土和底土一般是容易破碎的。
3.Because it has increased the evaporation surface of the soil after surface soil collapsing, and reducing the soil content further.
这主要是因为塌陷后产生的裂缝增大了土壤蒸发面积，进一步降低了土壤水分。
英文解释
n.
1.the layer of soil on the surface
网络释义
surface soil
表土; 土壤表层; 表面土; 地面土壤;
specific surface of soil
土壤比表面; 土壤表面比;
ecific surface of soil
土壤比表面;
destroy the surface soil
破坏表面土壤;
surface soil WESTBANK
表土，表层土壤;