上覆土

overland mail───陆路邮件

overlying───adj.覆盖于……的，叠加于……的；v.覆盖在……上，躺在……上（overlie的现在分词）

virgin soil───处女地（未垦植的土地）

alkaline soil───[土壤]碱性土，[土壤]碱性土壤

fertile soil───沃土，肥沃的土壤

mucking soil───淤泥质土

overeying───暴饮暴食

Although all sub-surface samples contain higher mercury than surface samples, the contents of Hg in profile soil overlying garbages of different maturities show different trends of variation.───成熟度垃圾的上覆土壤中汞都具有次表面样品总汞含量高于表面样品的特点，但变化趋势不同。

During this period, buried mud-brick walls absorbed more moisture than usual, producing a subtle chemical signature in the overlying soil that showed up in high-resolution, infrared satellite images.───在这个阶段，被埋葬的泥砖墙比平时吸收了更多的湿气，在上面的土壤上产生了一种微妙的化学特征，这种化学特征又显示在卫星拍摄的高分辨红外图像中。

Experimental results show that fine texture soil layer overlying coarse texture soil layer can markedly increase water-holding capacity and get some supplement of water after reaching field capacity.───实验结果表明，细粒土壤下垫有粗粒土壤时，上部细粒土壤的持水能力有明显的提高，可以超过最小持水量而得到若干补充水量。

This paper is concerned about water dynamics in overlying soil with filling layers of different porosities by simulation experiment.───通过充填柱模拟实验研究了充填复垦中充填层物料孔隙度大小对覆土层含水量变化的影响。

Research on the Influence of Soft Seam Layers in the Overlying Soil When an Earthquake Fault Ruptured───地震断层错动时基岩上覆土层中软夹层的影响研究

Advances in research on earthquake rupture of overlying soil site───覆盖土层场地地震断裂研究进展