porous flow

例句：

1. 1. The porous material allows air to pass through easily.
   这种多孔材料允许空气容易通过。
2. 2.The permeable flow of water is essential for the growth of plants.
   水的渗透流动对植物的生长至关重要。
3. 3. The porous structure of the rock allows for easy penetration by minerals.
   岩石的多孔结构使得矿物能够容易地渗透进去。