a pen-shaped photoelectric device that is pointed at or moved over a VDU screen to communicate with a computer
a hand-held pen-shaped device used to read bar codes
| 单词 | light pen |
| 释义 | light pennouna pen-shaped photoelectric device that is pointed at or moved over a VDU screen to communicate with a computer a hand-held pen-shaped device used to read bar codes |
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英语词典包含66266条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。