top·soil 
(tŏpsoil′)
(tŏpsoil′)n.
The upper layer of soil at a given location, usually containing significantly more organic matter than is found in lower layers.
tr.v. top·soiled, top·soil·ing, top·soils
To place topsoil on (land).
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| 单词 | topsoil |
| 释义 | top·soil (tŏpsoil′)n. The upper layer of soil at a given location, usually containing significantly more organic matter than is found in lower layers. tr.v. top·soiled, top·soil·ing, top·soils To place topsoil on (land). |
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