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- na.证言泄漏政府机密而受威胁
 - 网络灰色邮件;垃圾邮件;灰邮件
 
n.  | 1. a maneuver used by the defense in a spy trial whereby the government is threatened with the revelation of national secrets unless the case against the defendant is dropped.  | 
英汉词典包含292483条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。