Anders Wilhelmson says the sanitation process can take as little as a couple of hours or as long as two to four weeks.

VOA: special.2010.03.15

If you're fighting for an hour or two hours, it just seems like that would be such a low number.

如果战斗持续了一两个小时,那这个伤亡数字可算是相当低了

耶鲁公开课 - 古希腊历史简介课程节选

Two hours,you can be on a damn train to New York City and you'll be lucky if you get eighty miles in two hours, or an hour and fifty minutes.

要知道,两个小时都可以做火车去纽约了,但如果是步行,八十公里你一个小时五十分钟,到两个小时内走到就算不错了

耶鲁公开课 - 1871年后的法国课程节选

He spoke for almost two hours on a cold and rainy day, without a hat or overcoat.

VOA: special.2009.01.19

Or perhaps Chinese on Monday, Wednesdays, and Fridays and Thai on Saturdays and Sundays and spending two hours in the afternoon doing math and three hours in the morning doing philosophy.

或周一三五吃中餐,周六日吃泰国菜,下午花两小时研究数学,上午三小时思考哲学，统统没有用。

耶鲁公开课 - 死亡课程节选

But I hesitantly took two hours to fill that essays and now owe her for or owe that phone call for the best two years of my life and truly the happiest.

但我还是磨蹭了两小时完成短文,多亏那个打来电话的人,这是我人生最美好，最快乐的两年。

哈佛公开课 - 幸福课课程节选

But,the turbo-prof will be somebody who is assigned to Reims, and who takes the train there every day, or to Tours; but to Lyon also since this is only two hours, this is four-hundred kilometers.

不过涡轮教授被派到兰斯教书,他每天都要坐火车往返,抑或是去图尔斯,从这里去里昂要用两小时,这有四百公里

耶鲁公开课 - 1871年后的法国课程节选