subsoil
中文释义
底土，下层土
n. the layer of soil beneath the topsoil.
常用搭配
- subsoil layer下层土壤
- subsoil drainage下层土壤排水
- subsoil moisture下层土壤水分
例句
- Farmers often test the subsoil for nutrients.农民经常检测底土中的养分。
- The subsoil in this area is rich in clay.这个地区的底土富含黏土。
n. the layer of soil beneath the topsoil.