名词
中文翻译:摆锤杆
同义词:
['pendulum rod', 'pendulum bar', 'pendulum stick']
例句:
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1. The scientist used a pendulum bar to measure the angle of thesun's shadow.
科学家使用摆锤杆来测量太阳影子的角度。
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2. The pendulum bar was suspended from the ceilingand swung back and forth.
摆锤杆悬挂在天花板上,来回摆动。
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3. The pendulum bar was usedto determine the time of day by measuringthe length of the shadow.
摆锤杆用来测定一天中的时间,通过测量影子的长度来确定。