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单词
protective security
释义
protective security
protective security
The organized system of defensive measures instituted and maintained at all levels of command with the aim of achieving and maintaining security. See also physical security; security.
Thesaurus
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bodyguard
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英语词典包含2567994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。
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更新时间:2025/10/8 4:38:16