单词	porous
释义	porouspo‧rous /ˈpɔːrəs/ adjective Word Origin WORD ORIGINporous Origin: 1300-1400 French poreux, from pore; ➔ PORE1 Examples EXAMPLES FROM OTHER DICTIONARIES porous rock If a garage has a porous floor, it can become extremely damp. Plants in containers made of porous material, must be watered more often than those in plastic pots. EXAMPLES FROM THE CORPUS It is caused by a loss of calcium in the bones that makes them become softer, porous and weaker. Normally, most of the water in urine is recycled through the porous walls of the collecting tubes. Now, thanks to modern architecture and a porous defense, neither is a problem. Others, like sponges, consisted of a colony of cells with a porous skeleton. Some rocks are more porous than others. The elaborate nets thrown out by air proved far too porous to trap major enemy units. The gas bubbles get trapped if you add flour, lifting the dough and making it porous. The original porous bone has been consolidated to become much heavier than it would have been in life. Thesaurus Longman Language Activatorwords for describing something that has lots of holes in it► be full of holes · Parker's socks were so full of holes that his toes peeked through.· The roof was full of holes, all of which sprouted grass and moss. ► riddled with holes full of a great many small holes, especially in a surface: · The old table was riddled with holes.· The ship returned from the war-zone riddled with bullet holes. ► perforated having a lot of small holes arranged in a regular pattern that has been made by a machine for a particular purpose: · They put the insect into a tin with a perforated lid.· Tear along the perforated line and return the bottom part of the form. ► porous a substance such as rock or soil or a surface that is porous allows liquid or gas to pass through it: · If a garage has a porous floor, it can become extremely damp.· Plants in containers made of porous material, must be watered more often than those in plastic pots. ► leaky a leaky roof, pipe etc is damaged so that it has a hole or holes in it that water comes through: · The house had a leaky roof.· There was a pool of water in the corner where water was dripping from a leaky pipe. WORD SETS► Geology agglomerate, nounalabaster, nounanthracite, nounasbestos, nounatoll, nounbasalt, nounbasin, nounbauxite, nounbed, nounbedrock, nounberyl, nounbluff, nouncanyon, nouncape, nouncarboniferous, adjectivechalk, nounchalky, adjectivechasm, nounclay, nouncliff, nouncoal, nouncoastal, adjectivecoastline, nounconglomerate, nouncontinental drift, nouncontinental shelf, nouncore, nouncove, nouncrag, nouncrater, nouncreek, nounCretaceous, adjectivecrevasse, nouncrust, nouncrystal, nouncrystalline, adjectivecrystallize, verbdelta, noundeposit, noundeposition, noundune, noundust bowl, nounearthquake, nounelevation, nounemery, nounepicentre, nounepoch, nounera, nounerode, verberosion, nounerupt, verbescarpment, nounestuary, nounextinct, adjectivefault, nounfeeder, nounfeldspar, nounfiord, nounfjord, nounflint, nounflood plain, nounfluvial, adjectivefold, nounfool's gold, nounfossil, nounfossilize, verbfriable, adjectivegeology, noungeyser, nounglaciation, nounglacier, nounGondwanaland, granite, noungrassland, noungroundwater, noungulf, noungully, nounheadland, nounhinterland, nounhot spring, nounigneous, adjectiveimpervious, adjectiveinactive, adjectiveinlet, nounisthmus, nounjasper, nounjet, nounkaolin, nounknoll, nounlagoon, nounlake, nounlandlocked, adjectivelandslide, nounlandslip, nounlava, nounleach, verblevee, nounlime, nounlimestone, nounloam, nounlowlands, nounmagma, nounmarble, nounmarsh, nounmarshland, nounmatrix, nounmetamorphic, adjectivemica, nounmineral, nounmineralogy, nounmining, nounmoraine, nounmorass, nounmountain, nounmountainside, nounmountaintop, nounmudslide, nounnugget, nounoasis, nounoilfield, nounore, nounoutcrop, nounpalaeontology, nounPalaeozoic, adjectivePangaea, peninsula, nounpermafrost, nounpetroleum, nounpillar, nounpinnacle, nounplate, nounplate tectonics, nounporous, adjectivepothole, nounprairie, nounprecipice, nounpromontory, nounpumice, nounpyrites, nounquartz, nounravine, nounreservoir, nounridge, nounrift, nounrift valley, nounriver, nounrock, nounrock salt, nounsand, nounsand bar, nounsandstone, nounsapphire, nounscarp, nounschist, nounscree, nounseam, nounsediment, nounsedimentary, adjectivesedimentation, nounseismic, adjectiveseismograph, nounseismology, nounsettlement, nounshale, nounshelf, nounshingle, nounsilica, nounsilicate, nounsilt, nounslate, nounstalactite, nounstalagmite, nounstone, nounstrait, nounstrata, stratified, adjectivestratum, nounsubsoil, nounsubstratum, nounsummit, nounterrain, nounthermal, adjectivetopaz, nountopsoil, nountor, nountremor, nountributary, nountrilobite, nountsunami, nountundra, nounturquoise, nounvalley, nounvein, nounvolcanic, adjectivevolcano, nounwatercourse, nounwaterfall, nounwater table, noun 1allowing liquid, air etc to pass slowly through many very small holes:  porous material2easy to pass through or get into something:  the porous border between Haiti and the Dominican Republic
随便看	insufficient insufficiently insular insularity insulate insulating tape insulation insulator insulin insult insulting insultingly insuperable insupportable insurance insurance adjuster insurance broker insurance policy insurance premium insure insured insurer insurgency insurgent insurmountable

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