| 单词 | national security |
| 释义 | national securitynoun [mass noun] The safety of a nation against threats such as terrorism, war, or espionage: an imminent threat to national security [as modifier]: a major national security issue...
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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。