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词汇
perforation
释义
perforation
per•fo•ra•tion
/ˌpɜːfə'reɪʃ(ə)n/
n
1.
C,常用复
(纸张等的)孔线,齿孔切开线
•
the
perforations
in a sheet of stamps
一整版邮票上的齿孔
2.
U
打孔,贯通
•
the
perforation
of the appendix
阑尾穿孔
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更新时间:2024/6/24 19:34:13