| 单词 | B-horizon |
| 释义 | B-horizon B-ho.ri.zon AHD: [b¶“h…-rº“-z…n] D.J. [6bi8h*6ra!z*n]K.K. [6bih*6ra!z*n]n.（名词）In ABC soil, the second or subsurface zone of soil made of clay and oxidized materials and organic matter obtained from the A-horizon by leaching; subsoil.Also called zone of accumulation ,zone of illuviation B层，淀积层：在分A、B、C层位土壤中的第二层即表层之下的土壤部分，由粘土、氧化物质和从A层位通过过滤得到的有机物组成；下层土也作 zone of accumulation,zone of illuviation |
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