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单词 great year
释义 great year
noun
Etymology: Middle English grete yere, translation of Latin annus magnus, translation of Greek megas eniautos
: the period of about 25,800 years required for a complete cycle of precession of the equinoxes during which time the celestial pole describes a complete circle around the ecliptic pole
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更新时间:2025/3/21 13:17:50