VOA慢速英语:美国大学毕业生在线参加毕业典礼

graduation – n. the act of receiving a diploma or degree from a school, college, or university

diploma – n. a document which shows that a person has finished a course of study or has graduated from a school

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

torn back the curtain – idm.

comedian – n. a person who performs in front of an audience and makes people laugh by telling jokes or funny stories or by acting in a way that is funny

rapper – n. a person who performs rap music or speaks the words of a rap song