It was about six hours since the launch of Gemini Six.

VOA: special.2009.07.01

It took about six hours to drive here.

开车到这里大概要六个小时。

洛杉矶VS圣地亚哥 - SpeakingMax英语口语达人

so for about six, oh, no, it was nine hours a day, it's a long time ago.

每天要上六个，噢，不是，是九个小时的课，这都是很久以前的事情了。

纽约的人们 - SpeakingMax英语口语达人

The film lasts six hours. When asked about the uneventful nature of these films, Warhol answered that he liked boring or uninteresting things.

VOA: special.2010.09.05

He wrote this about his experience: I know that during that long and racking march of thirty-six hours over the unnamed mountains and glaciers of South Georgia it seemed to me often that we were four,not three. The American poet T.S.Eliot was influenced by Shackletons description.

VOA: special.2010.02.24