President Obama will host a Group of Twenty summit in Pittsburgh on September twenty-fourth and twenty-fifth.

VOA: special.2009.07.13

Now in this case the host - you want the host not only to replicate all the DNA, you want it also to express the gene.

而这种情况下宿主--,你不只希望宿主复制基因,同时也想使之表达基因

耶鲁公开课 - 生物医学工程探索课程节选

Otherwise you could have a squirrel host-- I'm using squirrels, because I think that's funnier than other animals to think of— but it could be any potential host, right?

否则松鼠就会变成宿主,我拿松鼠举例,是因为我觉得它比别的动物更有趣,但潜在宿主可以是任何动物,对吧

耶鲁公开课 - 生物医学工程探索课程节选

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

VOA: special.2010.12.06

By extending your time horizon to three years, or four years,or five years, it opens up a whole host of investment opportunities that aren't available to people that are playing this silly,short-term game.

只有通过将投资延长至三年,四年乃至五年,才会出现大量的获利机会,沉迷于愚蠢的短线操作,是无法得到这些机会的

耶鲁公开课 - 金融市场课程节选

Late-night TV host Johnny Carson was among the honorees in nineteen ninety-three.

VOA: special.2010.12.06

In this case here, you're generating host cells, cytotoxic T-cells, that can kill only very specific cells, cells that are expressing this foreign antigen.

而在这个例子中,人产生宿主细胞,即细胞毒性T细胞,它只会消灭特定的细胞,也就是携带特定异己抗原的细胞

耶鲁公开课 - 生物医学工程探索课程节选

Diane Keaton plays Daybreak's co-host, Colleen Peck,a former beauty queen.

VOA: special.2010.12.13

So, when the right signal is received, the right T-cell finds your host cell with a foreign virus in it, the first thing that happens is that this T-cell becomes activated and it starts reproducing, making more copies of itself.

所以 当接收到正确的信号,恰当的T细胞寻觅到,感染外源病毒的细胞时,首先发生的是,T细胞被激活并开始增殖,制造更多自身拷贝

耶鲁公开课 - 生物医学工程探索课程节选

The 90,000 seat Soccer City is to host the opening and final matches of the month-long World Cup which kicks off on June 11.

VOA: standard.2010.01.22

As part of the plan, Poland has agreed to host the U.S.Navy's Standard Missile-3 anti-ballistic-missile system.

VOA: standard.2009.10.21

South Korean Finance Minister Yoon Jeung-hyun,the host, says leaders have agreed to strike a balance.

VOA: standard.2010.06.05

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

That exceeded the Canadians 16-0 win over host Italy four years ago in Turin.

VOA: standard.2010.02.15

Dean has the distinction of being the first-ever guest host on "The Tonight Show."

VOA: standard.2010.06.14

Sunday evening's agenda includes a one-on-one meeting between Mr.Obama and his Mexican host, followed by a working dinner and a cultural event for all three leaders.

VOA: standard.2009.08.10

It is supposed to be the official song for the 2010 event, but according to talk radio host Jenny Crwys-Williams, many have called in to voice their disappointment.

VOA: standard.2010.05.05

Iran is played host to a high-profile summit of two key war-torn neighbors, Pakistan and Afghanistan, in a bid to put an end to conflicts that rage along its borders.

VOA: standard.2009.05.24

"There was,after 2001, a change of approach, a form of mission creep, whereby we took on far more priorities than simply security and removing al-Qaeda and the Taliban as their host,".

VOA: standard.2009.08.02

The second major FIFA youth football tournament of the year will kick off Saturday in Nigeria when the host Golden Eaglets play Germany on the opening day of the Under-17 World Cup.

VOA: standard.2009.10.22

"There is emerging evidence that a whole host of new environmental chemicals, many of them routinely found in pregnant women and children - such as Bisphenol A, flame retardants,pesticides, phthialates,and airborne pollutants."

VOA: standard.2010.08.09

In closing the Under-20 World Cup in Egypt last Friday, FIFA President Sepp Blatter sounded less than assured in wishing the best to Nigeria as host of the Under-17 event, in what he described as the African year of football.

VOA: standard.2009.10.22

Coupled with snowboarder Jasey Jay Anderson's win in the parallel giant slalom and Canada's win in men's curling, the Canadians now lead the gold medal count with 13, the most the host nation has ever earned at an Olympics - winter or summer.

VOA: standard.2010.02.28