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	musket musketeer musketry musk flower musk gland musk hog muskie muskier muskiest muskiness musk mallow muskmelon muskogean muskogee muskone musk ox muskox musk plant muskrat musk rose musk thistle musk turtle musky muslem muslim

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