VOA慢速英语:新电影探讨了联邦调查局对马丁·路德·金的秘密行动

title –n. the name of a book, song or movie

wiretap –n. a conversation recorded with a device used to secretly record speech on phone calls or similar communications

blackmail –n. threatening to tell secret information about someone unless they pay money or do something that is demanded

scandalous –adj. involving immoral or shocking things that a person has done or is believed to have done

lesson –n. an activity done in order to learn something

sealed –adj. to prevent something from being release or made known