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2025-08-15 14:47:51[ 英文单词大全 ]perforation perforation是什么意思英[ˌpɜːfəˈreɪʃn] 美[ˌpɜːrfəˈreɪʃn] n. 穿孔, 孔眼, 贯穿, 贯通, 齿孔, 穿通[化] 穿透n. a line of small holes for tearing at a particular placen. a hole made in somethingn. the