Topsoil
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[编辑] 解释
[编辑] GRE 红宝书
- n.表层土
- ［英］ n.表层土 ( surface soil which the farmer turns over in plowing)
- ［类］ topsoil : erode / paint : peel ( 侵蚀表层土 / 剥落油漆)
[编辑] Webster Collegiate
noun
- Date: 1836
- surface soil usually including the organic layer in which plants have most of their roots and which the farmer turns over in plowing
