the porosity and structure of soil

例句：

1. 1. The soil is highly porous, allowing water to pass through easily.
   土壤非常多孔，水可以很容易地通过。
2. 2. The structure of the soil iscrucial for plant growth.
   土壤的结构对植物生长至关重要。
3. 3. The engineer analyzed the porosity of the soil before designing the drainagesystem.
   工程师在设计排水系统之前分析了土壤的多孔性。