keypunch

vi. (用打孔机)打孔 [电] 按键打孔机

发音

UK

词形变化

keypunches 复数 keypunches keypunched keypunches 三单 keypunching keypunching 现在分词 keypunched 过去式 keypunched 过去分词

释义与例句

n.
  1. 1.

    A mechanical device whose keys are pressed, individually or in combination, to punch holes in punched cards or paper tape that correspond to particular characters.

    计算机 工程 数学
  2. 2.

    An electric machine with a keyboard that has the same function.

    计算机 工程 数学
v.
  1. 1.

    To use such a device or machine

词源

From key + punch.

来源：wiktionary