名词
中文翻译：Unknown
同义词：
['late-type dwarf', 'late-type main sequencestar']
例句：
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1. The studyof these stars is crucial for understanding theformation of galaxies.
研究这些恒星对于理解星系的形成至关重要。
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2. Theyare classified as late-type stars because they have alonger lifespan than other types.
它们被分类为晚型恒星，因为它们的生命周期比其他类型长。
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3. Thesestars are often found inthe outer regions of our galaxy, where they can be used tostudy the evolution of the universe.
这些恒星通常位于我们银河系的外围区域，可以用来研究宇宙的演化。