名词中文翻译
中文翻译：宇宙年
同义词：
['astronomical year', 'cosmic year', 'cosmological year']
例句：
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1. The discovery of the first exoplanet has revolutionized our understanding of the universe.
发现第一个系外行星已经彻底改变了我们对宇宙的理解。
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2. The cosmic year is a concept that suggests that the universe is expanding and will continue to do so for billions of years.
宇宙年是一个概念，它暗示着宇宙正在扩张，并且将继续扩张数十亿年。
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3. The cosmic year is also used to refer to the time period during which a planet's orbit around its star changes.
宇宙年也用于指代一个星球绕其恒星运行的轨道发生变化的时间周期。