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来源：雅诚德英语网
Remember when we talked about star formation, we said that as a star ages, it becomes brighter, right?
还记得吗，我们讨论恒星形成的时候说过，恒星会随着年龄增长变得更亮，对吧？
Remember when we talked about star formation, we said that as a star ages, it becomes brighter, right?
还记得吗，我们讨论恒星形成的时候说过，恒星会随着年龄增长变得更亮，对吧？