| 单词 | radio spectrum |
| 释义 | radio spectrum n. The entire range of electromagnetic communications frequencies, including those used for radio, radar, and television; the radio-frequency spectrum. |
| 随便看 |
英语词典包含135693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。