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单词 perforation
释义 perforation/ˌpɜ:fəˈreɪʃn ||; ˌpɝfəˈreʃən/noun1. [c] a series of small holes in paper, etc that make it easy for you to tear (纸等上的)孔眼,齿孔,孔眼线 2. [u] the action of making a hole or holes in sth 穿孔;打孔;打洞 perforation /ˏpɜfə`reʃən; ˌpɜːfəˈreɪʃən/n [c,u]
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