someone who has guests

We thanked our hosts for a very enjoyable evening. 我们感谢主人让我们度过了一个愉快的夜晚。

The local language school is advertising for host families (= families people stay with when they are visiting another country). 当地的语言学校正在招募能接待外国来访者的家庭。

a person who introduces guests and performers, especially on television or radio

Our host for tonight's show is Jimmy Fallon. 我们今晚节目的主持人是吉米‧法论。

Synonyms: compere emcee

a place or organization that provides the space and other necessary things for a special event

Japan is playing host to the next international conference. 日本将主办下一次国际会议。

the host nation for the next World Cup 下届世界杯的主办国

a plant or animal that another plant or animal lives on as a parasite

a large number of something

There's a whole host of reasons why he didn't get the job. 有一大堆理由可以解释他为什么没有得到那份工作。

Their clients were using a host of different advertising methods.

We read works by Swift, Kipling, Waugh, and a host of lesser writers.

Use of these fuels creates a host of environmental and human health problems.

There was a whole host of reasons why the business failed.

the holy bread that is eaten at Communion (= a Christian religious ceremony)

a company that hosts a website on the internet

to provide the space and other things necessary for a special event

Which country is hosting the next Olympic Games? 哪个国家将主办下届奥运会？

to be the host of a television or radio programme

to host a show/programme 主持节目

Synonyms: compere emcee

to provide the computer hardware and software that allows a website to exist on the internet

I've written my website, now I just need to find a company to host it. 我已经写好自己网站的内容了，现在只需找一家公司为它提供软硬件的支持。