He says every extra hour of television meant an eight percent increase in the chances of developing signs of depression.

VOA: special.2009.03.10

The reason--unless you can take about eight hours to do it--because, the way you're going to do it is you're going to take a train that goes one hour and fifty-eight minutes to Paris, and then you're going to take another train that zips down here in about four hours to Bordeaux, but you're paying by kilometer.

除非你想坐八个小时的火车,因为,你要走的路是,坐上火车,先花一小时五十八分钟去巴黎,然后以很快的速度用四小时到这儿,波尔多,按公里计费

耶鲁公开课 - 1871年后的法国课程节选

Better working conditions. One of its first demands was an eight-hour work day.

VOA: special.2010.05.06

The driver tried for a speed of about eight kilometers an hour.

VOA: special.2010.04.26

But it is really traveling at twenty-eight thousand kilometers an hour.

VOA: special.2009.09.30

One hundred forty-eight tornadoes struck during a twenty-four-hour period.

VOA: special.2010.05.11

They were moving at twenty-eight thousand kilometers an hour.

VOA: special.2009.07.01

His space flight lasted one hour and forty-eight minutes.

VOA: special.2009.06.17

His speed was twenty-eight thousand kilometers an hour.

VOA: special.2009.06.17