Passengers will pay two hundred thousand dollars to ride to outer space and back for two and a half hours.

VOA: special.2009.12.18

And if you are prepared to stand up for about two and a half to three hours to watch a play,

而且你要准备好了站上大约两个半小时到三个小时，去看一场戏剧，

莎士比亚环球剧院 - SpeakingMax英语口语达人

So I could do that in probably two and a half hours.

我可以用大约两个半小时的时间走完这段路程。

旧金山的公共交通 - SpeakingMax英语口语达人

My wife, who works on the Guardian newspaper, set off on foot to make the one and a half miles to her office, and it took her two and a half hours 'cause she was constantly being directed further and further north.

NPR: Novelist Ian McEwan: Attacks Resulted in Solidarity

Panish and AEG's Putnam will each have two and a half hours to describe their cases to the jury in opening statements starting at 10 a.m.

CNN: Michael Jackson wrongful death trial to open

The in-form Serbian had to come from a set down to beat Davydenko 3-6 6-4 7-5 in a late night encounter lasting over two and a half hours.

CNN: Swede Soderling brushes aside Nadal