describes something that has many small holes , so liquid or air can pass through, especially slowly
发音
例句
1. He added sand to the soil to make it more porous. 他往土里掺沙子以提高渗水性能。 2. The shell has to be slightly porous to enable oxygen to pass in. 外壳不得不有些细小的孔以便能使氧气通过。