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单词 Rigel
释义

Rigel

/ˈraɪgəl/
Astronomy the seventh-brightest star in the sky, and the brightest in the constellation Orion. It is a blue supergiant nearly sixty thousand times as luminous as our sun.
【天文】参宿七。
词源
from Arabic rijl 'foot (of Orion)'.
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更新时间:2025/2/11 21:55:53