VOA慢速英语:日本一男子纵火烧死30多人

animation – n. a way of making a movie by using a series of drawings, computer graphics, or photographs of objects (such as puppets or models) that are slightly different from one another and that when viewed quickly one after another create the appearance of movement

bang – n. a sudden loud noise

arson – n. the illegal burning of a building or other property : the crime of setting fire to something

appalling – adj. very bad in a way that causes fear, shock, or disgust

mourn – v. to feel or show great sadness because someone has died