/'pɔ:rəs; `pɔrəs/ adj
1 allowing liquid or air to pass through, esp slowly 能使液体或气体（尤指缓慢地）穿透的; 能渗透的
*He added sand to the soil to make it more porous. 他往土里搀沙子以提高渗水性能.
* In hot weather clothes made of a porous material like cotton are best. 热天穿棉布之类有渗透性的材料做的衣服最为适宜. Cf 参看 permeable (permeate).
2 containing pores 有毛孔或气孔的.
[Date: 1300-1400; Language: French;Origin: poreux, from pore; PORE1]
allowing liquid, air etc to pass slowly through many very small holes
easy to pass through or get into something
the porous border between Haiti and the Dominican Republic