Clock-timers organize their day by blocks of minutes and hours.

精于时间管理的人以分钟和小时为单位来安排他们的一天。

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Eventually these were superseded by "small clock", or French, hours, which split the day into two 12-hour periods commencing at midnight.

最终，这些被“小钟”——即法语中说的小时取代了，它把一天分成两个12小时的时间段，从午夜开始。

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The advent of the mechanical clock meant that although it could be adjusted to maintain temporal hours, it was naturally suited to keeping equal ones.

机械时钟的出现意味着，尽管它可以通过调整来记录日光时，但是它本质上适合记录相等的时间。

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"Three or four hours before I could fall asleep. I wake up three o'clock in the morning with the same stuff on my mind, tossing and turning.

VOA: standard.2010.05.04

In the office I work you only clock the hours you spend working.

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Our military has secured the airport and prepared it to receive the heavy equipment and resources that are on the way, and to receive them around the clock, 24 hours a day.

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Study leader Dr Michael Hastings said in mice who by a quirk of genetics had a 20-hr body clock, they were able to reset the clock to 24 hours by using known compounds that are known to slow down the action of cAMP.

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