| 单词 | soil layer |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔illuviation〕The deposition in an underlying soil layer of colloids, soluble salts, and mineral particles leached out of an overlying soil layer.淀积作用：胶状物，可溶性盐和矿物微粒从上层土壤向下层过滤的沉淀过程美国传统〔section〕This vertical section of the soil shows four basic soil layers.土壤的纵断面显示有4个基本的土壤层。剑桥高阶This vertical section of the soil shows four basic soil layers.土壤的纵断面显示了4个基本的土壤层。剑桥国际 |
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