/həʊst ||; host/noun[C] 1 a person who invites guests to his/her house, etc and provides them with food, drink, etc 主人；东道主 ☞Look at hostess. 参看hostess。
2 a person who introduces a television or radio show and talks to the guests （电视或电台的）节目主持人
3 a host of sth a large number of people or things 一大群或许多（人或事物）
4 an animal or a plant on which another animal or plant lives and feeds 寄主，宿主（被其他动物或植物寄生的动物或植物）
host verb ·
The city is aiming to host the Olympic Games in ten years' time. 该市争取在十年后主办奥林匹克运动会。