同根派生 top soil相關(guān)詞英漢例句If the topsoil is taken away by erosion, plants can no longer grow in the soil left behind.如果因水土流失而沖掉了表土，植物不能再在畱下的土壤中生長。The runoff sediment has higher clay content than the surface soil, andthe splash soil has higher fine sand content.通過對侵蝕上壤的顆粒組成分析表明，侵蝕對土壤顆粒具有選擇性，逕流侵蝕泥沙中粘粒含量比侵蝕表土含量高，濺蝕泥沙中細(xì)沙粒含量變高。top soil更多例句