verb介绍,引见;主持(节目),介绍(嘉宾或表演者);引入,实施;推行;使初次了解,使尝试
verbto bring people together for the first time and tell each of them the name of the other
verbto be the main speaker in a TV or radio show, who tells the audience the name of the person who is going to speak or perform
verbto write about, mention or start using something new for the first time
verbto make somebody learn about something or do something for the first time