单词 | message unit |
释义 | message unit a measure of the duration of and distance covered by local telephone calls, used by telephone companies as a basis for assessing service charges. [1960-65] |
随便看 |
英语词典包含168451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。