英语词汇“cosmic year”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	cosmic year
释义	cosmic year cosmic year (galactic year) The period of revolution of the Sun about the center of the Galaxy, equal to about 220 million years. cosmic year [′käz·mik ′yir] (astronomy) The period of rotation of the Milky Way Galaxy, about 220 million years.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。