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-现代词典

单词	cosmic year
释义	cosmic year noun : the estimated time required for a star at the sun's distance from the center of the Milky Way galaxy to make one trip around it in a circular orbit, about 200 million years
随便看	hack watch hackwork hacky hacqueton had had hadada hadal hadarim had as good had as lief had as soon had as well had best had better hadbot hadbote hadden hadder haddest haddie haddie haddington haddingtonshire haddo

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