Third, Hillary had billed Madison for a grand total of twenty-one hours of legal work at the Rose Law Firm over a two-year period.

再次，在两年的时间里，希拉里为罗斯律师事务所代表麦迪逊储贷银行处理法律事务总共只有21小时的律师工作时间。

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This drug has one important limitation. Its effects only last six hours.

这种药物有一个很大的限制因素，其药效只能持续6个小时。

《柯林斯英汉双解大词典》

One and a half hours are allowed for the exam.

考试时间为一个半小时。

《牛津词典》

The two astronauts spent more than thirty-one hours on the moon.

VOA: special.2009.07.29

A couple of hours, because typically there's just one battle; one side beats the other and that's the war for now.

几个小时,一般来说只有一次战斗,一方攻打另一方,这就是战争

耶鲁公开课 - 古希腊历史简介课程节选

but that one assignment takes 10 hours to complete.

但这个作业要花十个小时来完成。

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Forty-one hours and 49 minutes later, Nyad's team pulled her out of the sea -- battered, delirious, ravaged by jellyfish, and only 50 miles from where she had started.

CNN: Diana Nyad making fourth attempt at Cuba-to-Florida swim

However a petition opposing its return was the most popular one six hours after the site launched.

BBC: E-petitions urge MPs to debate return of death penalty

Netflix (NASDAQ: NFLX) has 30 million streaming subscribers worldwide that view more than one billion hours of content every month.

FORBES: Netflix Ranks Google Fiber as the Fastest ISP