Mi5
abbr. 军情五处（Military Intelligence Security Service, 英国负责国内反间谍、反恐怖的情报部门）
📖 牛津释义
MI5
abbr
缩写 = (Brit) (former name for the) National Security Division of Military Intelligence （旧名）英国安全局（陆军情报局5处）.
🗣️ 情景例句
It has six words.
有六个字。
At open doors dogs come in.
狗从开着的门中进来。
the study was known as Project Anehin.
安内英工程"。