| 单词 | civil defense |
| 释义 | civil defense plans or activities organized by civilians and civilian authorities for the protection of civilian population and property in times of such disasters or emergencies as war or floods. [1935-40] |
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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。