英语单词

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Sothic

英 ['səuθik; 'sɔ-] 美

adj. 天狼星的

英文词源

Sothic (adj.): as in Sothic cycle, a period of 1,460 years, 1828, from French Sothique, from Greek Sothis, an Egyptian name of the star Sirius. The Sothic year is determined by the heliacal rising of Sirius.