VOA慢速英语:超级碗12分钟的半场表演耗费数月时间准备

audience - n. a group of people who gather together to listen to something (such as a concert) or watch something (such as a movie or play) : the people who attend a performance

legendary - adj. very famous or well-known

stage - n. a raised platform in a theater, auditorium, etc., where the performers stand

entertain - v. to perform for (an audience) : to provide amusement for (someone) by singing, acting, etc

comfortable - adj. feeling at ease and happy: not worried or troubled