Oprah Winfrey made herself into a billionaire as a talk-show host,actress,producer, author and magazine publisher.

VOA: special.2010.12.06

Well, it turns out that we could not identify, at least at that point, a cell culture that would serve as a host for vaccinia.

然而我们还不能断定,至少这个时候无法断定,这些被感染的细胞就是牛痘病毒的宿主

耶鲁公开课 - 生物医学工程探索课程节选

Well, if you knew a cell that could serve as a host for a virus, you could use this process of cell culture to make large quantities of virus,right?

如果你知道细胞可以变成病毒的宿主,可以用培养细胞的过程,制造大量病毒,对吧

耶鲁公开课 - 生物医学工程探索课程节选

For the next two weeks this city plays host to experts, officials,activists and eventually world leaders as they try to clinch a deal.

VOA: standard.2009.12.06

God is depicted as a warrior, who leads his host , the Lord of hosts in battle.

上帝被描述为武士，他带领军队战斗，他是战争中军队之神。

耶鲁公开课 - 旧约导论课程节选

Summit host,Libyan leader Moammar Gadhafi was quoted as saying the ICC represents a "new world terrorism".

VOA: standard.2009.07.06

The 58-year-old Franken is a former comedian and actor who also served as a liberal radio talk show host before deciding to run for office.

VOA: standard.2009.06.30

Egyptian journalist George Riad says South Africa's good showing as host at the Confederations Cup earlier this year and ample infrastructure in South Africa make the country a good bet to hold an excellent tournament.

VOA: standard.2009.10.12