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
3a 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)
hostverb ·
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。