英语词汇“Ptolec system”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	Ptolec system
释义	Ptolec system n. The astronomical system of Ptolemy, in which the earth is at the center of the universe with the sun, moon, planets, and stars revolving about it in circular orbits at increasing distance. Some of the orbits have epicycles.
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