名词
中文翻译：摆锤杆
同义词：
['pendulum', 'pendulum rod例句：1. The scientist used a pendulum rod to measure the angle of the sun.（科学家使用摆锤杆来测量太阳的角度。）2. The pendulum rod was suspended from the ceiling and swung back and forth.（摆锤杆从天花板上悬挂下来，来回摆动。）']
例句：
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1. The scientist used a pendulum rod to measure the angle of the sun.
科学家使用摆锤杆来测量太阳的角度。
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2. The pendulum rod was suspended from the ceiling and swung back and forth.
摆锤杆从天花板上悬挂下来，来回摆动。
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3.The pendulum rod was used to measure the temperature of the air.
摆锤杆用来测量空气的温度。