This is the first time there has been a separate category for Americana music.

VOA: standard.2010.01.24

This the first war that Nato has been in, as a war against a Nato member.

这是北约组织成立以来第一场针对其成员的战争。

普林斯顿公开课 - 国际座谈会课程节选

Again, I'm happy to answer any questions you guys have about that, but the first concept sheet has to do with this website and I'll come back to that in just a minute.

我很乐意回答你们这方面的问题,第一次作业应该与网站相关,我待会会说

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The musical ride has been a Canadian tradition since 1887, but this is the first year that there are more women on the team than men.

VOA: standard.2010.02.25

Reagan says almost from the time his father first learned he was ill, he has been part of a national campaign to raise public awareness about this devastating and heartbreaking illness.

VOA: standard.2009.12.04

This is the first time the alliance of more than a dozen militant groups with links to al-Qaida has claimed responsibility since its former leader Baitullah Mehsud was reportedly killed in a U.S.missile strike.

VOA: standard.2009.09.26

In the first 51 days of this president, the administration has passed a series of really dramatic moves: the biggest financial rescue package that we have seen in decades, the largest stimulus in the history of the country, the biggest home foreclosure prevention and mortgage assistance program since the Depression."

VOA: standard.2009.03.15