| 例句 |
perforationsnounpl. of perforation a mark or small hole made by a pointed instrumentduring the lesson the boy absentmindedly made perforations in his paper with his pencil pinholes, pinpricks, pricks, punches, punctures, stabs gouges, grooves, hollowsbreaks, cuts, gashes, incisions, lacerations, notches, rents, rips, ruptures, slashes, slits, tears a place in a surface allowing passage into or through a thingpoked the button through a perforation in the fabric apertures, holes, openings, orifices loopholesbreaches, breaks, chinks, clefts, cracks, crannies, crevices, cuts, fissures, gashes, notches, rents, rifts, ruptures, slashes, slits, splits, tearsslots, spacesexits, mouths, outlets, pores, ventsentrances, inlets, intakespinholes, pinpricks, punches, puncturesairholes, armholes, buttonholes, keyholes, knotholes, peepholes, potholes, wormholes fillers, fillings, fills, patches, plugs, seals, stoppersbarriers, blockages, obstacles, obstructions |