porous metal parts

例句：

1. 1.The sponge is porous enough to soak up water easily.
   海绵足够多孔，可以很容易地吸收水分。
2. 2. The soil is porous, allowing air and water to penetrate easily.
   土壤是多孔的，允许空气和水容易渗透。
3. 3. The fabric is porous, allowing the scent to linger longer.
   这种织物是多孔的，可以让香味停留更长时间。