a beam of high-speed electrons projected from the heated cathode of a vacuum tube
| 单词 | cathode ray |
| 释义 | cathode raynouna beam of high-speed electrons projected from the heated cathode of a vacuum tube |
| 随便看 |
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。