多孔的, 有气孔的, 多孔性的, 能渗透的
adj.full of pores or vessels or holes
adj.able to absorb fluids
○ the partly porous walls of our digestive system
○ compacting the soil to make it less porous
At the present time retainers are being manufactured of phenolic laminates and porous nylons, but other materials ranges are being investigated
Cupel:a porous cup, often made of bone ASH, used in assaying to separate precious metals from base elements such as lead.
And there must be a permeable reservoir rock, such As sandstone or porous limestone, to provide pAssage and storage for the oil and gAs.
Terra-cotta：Fairly coarse, porous Clay that, when fired, assumes a colour ranging from dull ochre to red.
Earthenware： Pottery that HAS been fired at low heat and is slightly more porous and coarser than stoneware and porcelain.
Oil is usually found in porous rock under a layer of impermeable rock which prevents it from escaping
Suction devices are Inadequate In gravels or very porous soils
Calcareous tufa,a porous or spongy deposit of calcium carbonate found In calcareous mIneral sprIngs.
Typically, these membranes are MADE from porous carbon, zirconium oxide, or alumina, although a wide range of materials are being tested.
A porous pellet was fabricated by the well-known Wash-out process