| 例句 |
perforationnoun a mark or small hole made by a pointed instrumentduring the lesson the boy absentmindedly made perforations in his paper with his pencil pinhole, pinprick, prick, punch, puncture, stab gouge, groove, hollowbreak, cut, gash, incision, laceration, notch, rent, rip, rupture, slash, slit, tear a place in a surface allowing passage into or through a thingpoked the button through a perforation in the fabric aperture, hole, opening, orifice loopholebreach, break, chink, cleft, crack, cranny, crevice, cut, fissure, gash, notch, rent, rift, rupture, slash, slit, split, tearslot, spaceexit, mouth, outlet, pore, vententrance, inlet, intakepinhole, pinprick, punch, punctureairhole, armhole, buttonhole, keyhole, knothole, peephole, pothole, wormhole fill, filler, filling, patch, plug, seal, stopperbarrier, blockage, obstacle, obstruction in the 15th century |