Perforation

[,pɜːfə'reɪʃn] or [,pɝfə'reʃən]

解释:

(noun.) the act of punching a hole (especially a row of holes as for ease of separation).

(noun.) a line of small holes for tearing at a particular place.

(noun.) a hole made in something; 'a perforation of the eardrum'.

艾伯纳录入--From WordNet

解释:

(n.) The act of perforating, or of boring or piercing through.

(n.) A hole made by boring or piercing; an aperture.

埃米尔校对

同义词及近义词:

n. Hole, aperture, opening.

艾达整理

例句:

乔整理

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