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）

别名

Five

释义与例句

name
  1. 1.

    The domestic intelligence and counter-espionage agency of the United Kingdom, which operates in secret and whose primary function is to spy on terrorist organizations and others viewed as a threat to British national security. Formally known as the Security Service.

词源

Abbreviation of Military Intelligence, Section Five.

来源：wiktionary