| 单词 | be on/off duty |
| 分类 | 翻译、意思、用法、释义、英译汉、汉译英、英汉双解词典 |
| 释义 | be on/off duty be on/off duty → be on/off duty at duty(1) to be working or not working at a particular time, especially when you are doing a job which people take turns to do, so that someone is always doing itbe on/off duty |
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英语词典包含340727条英汉在线翻译词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。