VOA慢速英语:新冠疫情期间 公共卫生项目学生人数大幅上升

enrollment - n. the process of entering (someone) as a member of or participant in something

application - n. a formal and usually written request for something (such as a job, admission to a school, a loan, etc.)

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

forefront - n. the most important part or position

dean - n. a person who is in charge of one of the parts of a university (such as a college or school)