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  1. perforation

    • IPA[ˌpərfəˈrāSH(ə)n]

    美式

    • n.
      a hole made by boring or piercing; an aperture passing through or into something;a small hole or row of small holes punched in a sheet of paper, e.g. of postage stamps, so that a part can be torn off easily
    • noun: perforation, plural noun: perforations

    • 釋義

    名詞

    • 1. a hole made by boring or piercing; an aperture passing through or into something the perforations allow water to enter the well
    • a small hole or row of small holes punched in a sheet of paper, e.g. of postage stamps, so that a part can be torn off easily memos are produced in a continuous strip divided by perforations so that the forms can be detached
    • the action or state of perforating or being perforated there was evidence of intestinal perforation
    • 更多解釋
    • IPA[ˌpəːfəˈreɪʃn]

    英式

    • n.
      a hole made by boring or piercing: the perforations allow water to enter the well

    Oxford Dictionary