单词 | Sirius |
释义 | Sirius/ˈsɪrɪəs /Astronomy The brightest star in the sky, south of the celestial equator in the constellation Canis Major. It is a binary star with a dim companion, which is a white dwarf. Also called Dog Star. OriginLatin, from Greek seirios astēr 'scorching star'. Rhymes |
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