extrusive rock

例句：

1. 1.The soil is extremely porous, allowing water to seep through easily.
   土壤极其多孔，水可以轻易地渗透。
2. 2.The rock is porous, which means it can absorb water and minerals.
   这种岩石是多孔的，这意味着它可以吸收水分和矿物质。
3. 3. The porous structure of the rock allows for easy diffusion of gases and liquids.
   这种岩石的多孔结构使得气体和液体的扩散变得容易。