keypunches

英式音标：

美式音标：

词义：

n.键控芽孔机；盘式穿孔机；键盘穿孔机

v.用打孔机打孔

网络键控穿孔机；按键打孔；键盘凿孔机

变形

复数：keypunches 过去分词：keypunched 现在分词：keypunching

英英释义

Keypunch

A keypunch is a device for precisely punching holes into punch cards at specific locations as determined by the keys struck by the operator.

以上来源于:Wikipedia

用法：

权威例句

Columbia University Computing History: IBM Keypunches

Computer key-punch work-station having adjustable copy support-shelf

Fatigue assessment on key punch operators, typists and others

Sequential Observation on Key Punches : Report II

Key Punch Instruction In High School.

Rapid Structure Searches via Permuted Chemical Line Notations. II. A Key-Punch Procedure for the Generation of an Index for a Smal...

A handbook of modern keypunch operation

Is Keypunch Verification Really Necessary?

Uncovering ‘hidden’ contributions to the history of Digital Humanities: the Index Thomisticus’ female keypunch operators

Unidentified young people converse during Liberty Mutual keypunch training.

造句：

1. Many people are suffering economic hardship.

很多人正处于经济困难之中。

来自柯林斯例句

2. Housing benefit provides a cushion against hardship.

住房福利可以减轻人们生活的艰辛。

来自柯林斯例句

3. Hardship and penury wore him out before his time.

受穷受苦使他未老先衰.

来自《简明英汉词典》

4. He was willing to face any hardship in fulfillment of his duty.

他愿意面对任何困难去履行他的职责.

来自《简明英汉词典》

5. The tax increases will, in the aggregate, cause much hardship.

增加税收归结起来造成很多困难.

来自《简明英汉词典》

[ hardship 造句 ]