It took 2 years and a half to get ready for shooting the movie, collecting necessary material, meeting eyewitnesses of the event and carefully choosing the crowd.

这部电影的筹备工作持续了两年半，包括搜集必须的资料、采访事件的亲历者以及仔细挑选群众演员。

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McCain spent five and a half years in a prisoner-of-war camp in Vietnam.

麦凯恩在越南的一所战俘营里度过了五年半。

《柯林斯英汉双解大词典》

Pope Formosus died after a pontificate of four and a half years.

教皇福尔摩苏斯上任四年半后去世。

《柯林斯英汉双解大词典》

After three and a half years of fighting, hundreds of thousands of Union and Confederate soldiers had been killed or wounded.

VOA: special.2009.12.03

Then the--so the term structure was downward-sloping until about two and a half years and then it was upward sloping.

期限结构线先向下倾斜,在到期期限过了两年半的时点后,才缓慢回升

耶鲁公开课 - 金融市场课程节选

I got from a person that I worked with for two and a half years before coming here.

我在来这儿之前和他一起工作了两年半的时间。

写推荐书的人 - SpeakingMax英语口语达人

TV, Reddit, Bump and Dropbox, has grown steadily over the past seven years and a half years into one of the most popular places for investors to look for new startups.

FORBES: Y Combinator's Spring 2012 Demo Day: No Funding Talk In Pitches, But Plenty Of Funding Interest

The current crop of consoles have enjoyed quite a long lifespan, with the PlayStation 3 released six and a half years ago, and the Xbox 360 seven and a half years ago.

FORBES: PlayStation 4 Was Almost A Discless Console

And by the time my term of office completes in four years, four and a half years from today, Afghanistan is working hard to provide security for the whole of the country through the Afghan means and Afghan security institutions.

WHITEHOUSE: President Obama and President Karzai Press Availability