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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.
【天文】天狼星。亦称DOG STAR.
词源
Latin, from Greek seirios astēr 'scorching star'.
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更新时间:2025/8/6 7:09:37