These so-called viral fossils are not mineralized relics but rather bits of genetic code held over in the genome of a modern-day host organism.

这些所谓的病毒化石并不是矿化后的遗迹，而是存在于现在宿主机体里的基因代码。

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The global host of the 2010 World Environment Day celebration is Rwanda.

2010年世界环境日庆祝活动的全球主办国是卢旺达。

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Spain will kick off a month of events to observe World Food Day and will host a fund-raising television gala.

西班牙将启动为期一个月的世界粮食日庆祝活动并将主持一场电视集资活动。

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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

Any lingering hopes that Manchester could one day host the Olympic Games have been dismissed by Sports Minister Richard Caborn.

BBC: Manchester out of Olympic running

Trump International is starting on the back foot against its British rivals, but with broadcast cables already running beneath the course and a plan in place for several thousand spectators, it has a strong case to one day host major tournaments.

CNN: Trump's challenge to the world's greatest golf courses

And then the Secretary of State the next day will host the formal talks themselves.

WHITEHOUSE: Press Briefing