名词
中文翻译：Unknown
同义词：
['astrologer', 'astronomer', 'astrologist']
例句：
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1. He is an astronomer who studies the stars and planets.
他是一位研究星星和行星的天文学家。
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2. She has a keen interest in astronomy and often spends her free time observing the night sky.
她对天文学有着浓厚的兴趣，经常花时间观察夜空。
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3. Astronomers use sophisticated equipment to study the universe's mysteries.
天文学家使用先进的设备来研究宇宙的奥秘。