VOA慢速英语:体育场馆致力于为球迷提供安全的空气

tournament –n. a sports competition or series of contests that involves many players or teams and that usually continues for at least several days

madness –n. a state of extreme distress or excitement; mental illness

arena –n. a building for sports and other forms of entertainment that has a large central area surrounded by seats

protocol –n. a system of rules that explain the correct conduct and procedures to be followed in formal situations

ceiling –n. the inside surface at the top of a room