资料来源 : pyDict

穿孔,贯穿,贯通

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Perforation \Per`fo*ra"tion\, n. [Cf. F. perforation.]
   1. The act of perforating, or of boring or piercing through.
      --Bacon.

   2. A hole made by boring or piercing; an aperture. ``Slender
      perforations.'' --Sir T. Browne.

资料来源 : WordNet®

perforation
     n 1: a line of small holes for tearing at a particular place
     2: a hole made in something; "a perforation of the eardrum"
     3: the act of punching a hole (especially a row of holes as for
        ease of separation)