英语词汇perforation的意思、用法及释义-英汉双解词典

单词	perforation
释义	perforation n 1 [U] perforating or being perforated （在某物上）穿孔; （在纸等上）打齿孔. 2 [C] series of small holes made in paper, etc （纸等上的）齿孔 tear the sheet along the perforations 顺齿孔撕下该页.
随便看	cyclamen cycle cyclic cyclically cyclist cyclone cyclonic Cyclopean cyclostyle cyclotron cyder cygnet cylinder cylinder block cylinder head cylindrical cymbal cynic cynical cynically cynicism cynosure cypher cypress Cyrillic

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