- private branch exchange; a telephone system that handles the internal and external calls of a building, firm, etc
| 单词 | pbx |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 PBX,
Collins Concise English Dictionary © HarperCollins Publishers:: PBX abbreviation for (in Britain)
|
| 随便看 |
英语词典包含188688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。