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A Water Clock水钟

高中英语作文  2020-11-16 15:080

    The water clock has three parts.On the left is a tank holding water.This tank has a narrow opening through which water drips into a second container,also a tank.Inside the second tank is a floating object,to the end of which is attached a long pole with an arrow.On the right is a cylinder with the numbers one to twelve written on it.As the water from the tank on the left drips into the second tank,the level rises and with it the lfoating object.This causes the arrow to move from one number to the next.One thus has a twelve hour clock.After twelve ho【英语查词、查例句、找各类英语范文就上英语翻译学习网(enfanyi.com)】urs the second tank is emptied and the process is begun again.

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