名词
中文翻译：Unknown
同义词：
['sunrise', 'sunset']
例句：
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1. The sun sets over the horizon at 6:00 p.m.
太阳在下午六点时沉入地平线。
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2. We spent the day watching the sunrise from our balcony.
我们整天在阳台上观看日出。
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3. Sunrise and sunset are two of the most beautiful times of the day.
日出和日落是一天中最美丽的时刻之一。