perforator

名词 n.
中文释义

英文释义

名词 n.
  1. A tool or machine that makes holes, or perforates, materials such as paper and card.
  2. A machine that can bore a tunnel underground
  3. A perforating artery or vein

词形变化

perforators plural

词汇关系

近义词
hole punch
衍生词
reperforator

词源

Etymology tree
English perforate
English -or
English perforator
From perforate + -or.
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