自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT （举办聚会等的）主人，东道主 The host at a party is the person who has invited the guests and provides the food, drink, or entertainment.
Apart from my host, I didn't know a single person there...
Tommy Sopwith was always the perfect host.
VERB 作为主人组织，做东举办（聚会等） If someone hosts a party, dinner, or other function, they have invited the guests and provide the food, drink, or entertainment.
Tonight she hosts a ball for 300 guests.
...a banquet hosted by the president of Kazakhstan.
N-COUNT （某项活动的）主办国（或城市、机构） A country, city, or organization that is the host of an event provides the facilities for that event to take place.
Barcelona was chosen to be host of the 1992 Olympic games.
...a preliminary qualifying tournament in Andorra involving the host country.
VERB （国家、城市或机构）主办（活动） If a country, city, or organization hosts an event, they provide the facilities for the event to take place.
Cannes hosts the annual film festival.
PHRASE 主办（活动）;接待（贵客） If a person or country plays host to an event or an important visitor, they host the event or the visit.
In 1987 Canada played host to the Commonwealth Conference...
The Prime Minister played host to French Premier Jacques Chirac.
N-COUNT （广播、电视的）节目主持人 The host of a radio or television show is the person who introduces it and talks to the people who appear in it.
I am host of a live radio programme.
VERB 主持（广播、电视节目） The person who hosts a radio or television show introduces it and talks to the people who appear in it.
She also hosts a show on St Petersburg Radio.
QUANT 大量;许多 A host of things is a lot of them.
A host of problems may delay the opening of the Channel Tunnel...
Today we have radios, TVs, and a whole host of gadgets powered by electricity.
N-COUNT （生物的）生长地，栖息地 If an area is host to living things, those creatures live and feed in that area.
Uganda's beautiful highlands are host to a wide range of wildlife.
N-COUNT （计算机）主机 A host or a host computer is the main computer in a network of computers, which controls the most important files and programs.
N-COUNT （寄生物的）寄主，宿主 The host of a parasite is the plant or animal which it lives on or inside and from which it gets its food.
When the eggs hatch the larvae eat the living flesh of the host animal.
N-COUNT 圣体（基督教圣餐礼等宗教仪式中代表耶稣躯体的面饼） The Host is the bread which is used to represent the body of Christ in Christian church services such as Holy Communion.