残积层

例句：

1. 1. The soil is rich in nutrients, with a significant amount of organic matter being retained in theresidual layers.
   土壤富含养分，大量的有机物质保留在残余层。
2. 2. The engineer used a special material to create a residual layer that would protect the structure from future earthquakes.
   工程师使用一种特殊的材料来创建一个残余层，以保护结构免受未来地震的影响。
3. 3. The construction crew carefully removed the remaining debris and installed the residual layer for drainage purposes.
   施工团队小心翼翼地移除了剩余的碎片，并安装残余层以进行排水。