英语词汇“ephemeris second”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	ephemeris second
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ephem′eris sec′ond, [Astron.] Astronomythe unit of ephemeris time, defined as a precise fraction of the length of the tropical year 1900. 1965–70
随便看	hercegovina herceptin herculaneum herculean hercules hercules beetle hercules-club hercules' pillars hercynite herd herder herdic herd immunity herding dog herd instinct herd's-grass herdsman -here- here hereabout hereabouts hereafter hereat hereaway hereaways

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