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N-COUNT
（舉辦聚會等的）主人，東道主
The host at a party is the person who has invited the guests and provides the food, drink, or entertainment.
例句
Apart from my host, I didn't know a single person there...
除了主人外，那里的人我一個也不認識。
Tommy Sopwith was always the perfect host.
湯米·索普威斯對人一向熱情款待。
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VERB
作為主人組織，做東舉辦（聚會等）
If someone hosts a party, dinner, or other function, they have invited the guests and provide the food, drink, or entertainment.
例句
Tonight she hosts a ball for 300 guests.
今晚她做東舉辦一場有300名客人參加的舞會。
...a banquet hosted by the president of Kazakhstan.
哈薩克斯坦總統舉行的宴會
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N-COUNT
（某項活動的）主辦國（或城市、機構）
A country, city, or organization that is the host of an event provides the facilities for that event to take place.
例句
Barcelona was chosen to be host of the 1992 Olympic games.
巴塞羅那獲選為1992年奧運會的主辦城市。
...a preliminary qualifying tournament in Andorra involving the host country.
在安道爾舉行的有東道國參加的預選資格賽
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VERB
（國家、城市或機構）主辦（活動）
If a country, city, or organization hosts an event, they provide the facilities for the event to take place.
例句
Cannes hosts the annual film festival.
戛納每年主辦電影節。
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PHRASE
主辦（活動）;接待（貴客）
If a person or country plays host to an event or an important visitor, they host the event or the visit.
例句
In 1987 Canada played host to the Commonwealth Conference...
1987年加拿大主辦了英聯邦大會。
The Prime Minister played host to French Premier Jacques Chirac.
首相接待了法國總理雅克·希拉克。
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N-COUNT
（廣播、電視的）節目主持人
The host of a radio or television show is the person who introduces it and talks to the people who appear in it.
例句
I am host of a live radio programme.
我是一個電臺直播節目的主持人。
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VERB
主持（廣播、電視節目）
The person who hosts a radio or television show introduces it and talks to the people who appear in it.
例句
She also hosts a show on St Petersburg Radio.
她還在圣彼得堡電臺主持一個節目。
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QUANT
大量;許多
A host of things is a lot of them.
例句
A host of problems may delay the opening of the Channel Tunnel...
可能推遲英吉利海峽隧道開通的問題一大筐。
Today we have radios, TVs, and a whole host of gadgets powered by electricity.
今天我們有收音機、電視機和一大堆小型電器。
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N-COUNT
（生物的）生長地，棲息地
If an area is host to living things, those creatures live and feed in that area.
例句
Uganda's beautiful highlands are host to a wide range of wildlife.
烏干達美麗的高地是眾多野生動物的棲息地。
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N-COUNT
（計算機）主機
A host or a host computer is the main computer in a network of computers, which controls the most important files and programs.
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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.
例句
When the eggs hatch the larvae eat the living flesh of the host animal.
當卵孵化后，幼蟲取食寄主的鮮肉。
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N-COUNT
圣體（基督教圣餐禮等宗教儀式中代表耶穌軀體的面餅）
The Host is the bread which is used to represent the body of Christ in Christian church services such as Holy Communion.