plexiform layer

例句：

1. 1. The structure of the material is characterized by its high porosity and permeability.
   这种材料的构造特点是高孔隙性和高渗透性。
2. 2.The porous layer allows water to pass through easily.
   多孔层使得水能够轻易地通过。
3. 3. The engineers designed a new porous layer to improve the durability of the concrete.
   工程师们设计了一种新的多孔层，以增强混凝土的耐久性。