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英语翻译Primitive clocksThe Egyptians made a tiny hole in the bo

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英语翻译
Primitive clocks
The Egyptians made a tiny hole in the bottom of a stone bowl,which they filled with water.The inside of the bowl was marked to show the hours.As the water ran out through the hole,they could tell the time by looking at the top of water left in the bowl.
Sand was sometimes used instead of water.There is a sand-glass or hour-glass above.The sand ran through a narrow hole from the top glass bulb to the bottom.When the top was empty the hour-glass was turned upside down.The sand ran through again.Hour-glasses were later used in churches to time the length of sermons.Small ones can be bought today as egg-timers.
原始的时钟:
从前,埃及人在石碗的底部开了一个小洞,碗里面注满了水.在碗的里面被标上了用来看时间的印记.当碗里的水从小洞里面流出时,他们可以通过观察碗里剩余的水的高度而知道时间.
沙子有时候会代替水,就形成了一个沙漏.沙子从顶部玻璃泡通过一个很小的通道流向底部玻璃泡.当沙子从顶部玻璃泡流完时,人们会把沙漏倒过来,沙子就可以再次流动.沙漏晚些时候被应用在教堂中,测量讲道所用的时间长短.小的沙漏可以在现在被买到,用作小型煮蛋计时器.
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