1968年及其他年份的历史教训

radical agitator - n. a person who stirs up people in order to upset the status quo and further a political, social, or other cause:

martial - adj. describing the control of an area by military forces rather than by the police

assassination - n. the killing of someone, such as a famous or important person, usually for political reasons

ghost - n. the soul of a dead person thought of as living in an unseen world or as appearing to living people

pandemic - n. n occurrence in which a disease spreads very quickly and affects a large number of people over a wide area or throughout the world

shame - n. a feeling of guilt, regret, or sadness that you have because you know you have done something wrong

address - v. to deal with a matter, issue or problem

backdrop - n. the setting or conditions within which something happens

gay - adj. sexually attracted to someone who is the same sex