| 释义 | 
		per·fo·ra·tion AHD[pûr'fə-rāʹshən] D.J.[ˌpɜːfəˈreɪʃən]K.K.[ˌpɝfəˈreʃən]n.(名词)- A hole or series of holes punched or bored through something, especially a hole in a series, separating sections in a sheet or roll.孔:穿过某物的一个孔或一系列孔,尤指用以分割一张或一卷东西的一系列小孔
 
 - The act of perforating.穿孔:穿孔的行动
 - The state of being perforated.被穿孔:被穿孔的状态
 
 
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