VOA慢速英语:俄罗斯的军事情报局

acronym – n. a word formed from the first letters of each one of the words in a phrase

nerve-agent – n. a toxic gas the affects the nerve impulses of the brain and can cause death

hack – v. to gain access to someone else's computer

mobile – adj. able to move from one place to another

reputation – n. the common opinion that people have about someone or something