| 单词 | active duty |
| 释义 | active dutynoun [mass noun] The playing of a direct role in the operational work of the police or armed forces as opposed to doing administrative work: the number of policemen on active duty was doubled...
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英语词典包含243303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。