名词
中文翻译：Unknown
同义词：
['pendulum day', 'pendulum day']
例句：
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1.The pendulum day is the time when the sun is directly overhead.
摆钟日是太阳正直接在头顶的时候。
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2. During the pendulum day, the temperature drops significantly.
在摆钟日，温度会显著下降。
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3. The pendulum day is a popular time for people to exercise outdoors.
摆钟日是人们喜欢户外锻炼的热门时间。