a piece of information that must be kept from the general public for the purposes of national security
| 单词 | official secret |
| 释义 | official secretnouna piece of information that must be kept from the general public for the purposes of national security |
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英语词典包含66266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。