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
I've heard a great deal about you.
久仰大名。
A friend is a second self.
朋友是另一个我。
From the top of it, you could see up to a distance of 130 kilometres on a clear day.
在晴朗的日子里，从楼的顶层你可以看到130公里远的地方。