名词
中文翻译：摆锤机
同义词：
['pendulum', 'pendulum machine例句：1. The pendulum machine was used to measure the angle of the sun.（摆锤机用于测量太阳的角度。）']
例句：
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1. The pendulum machine was used to measure the angle of the sun.
摆锤机用于测量太阳的角度。
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2.The pendulum machine was used to measure the time of day.
摆锤机用于测量一天的时间。
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3. The pendulum machine was used to measure the temperature of the air.
摆锤机用于测量空气的温度。