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- Astronomy a large northern constellation (the Dragon), stretching around the north celestial pole and said to represent the dragon killed by Hercules. It has no bright stars.【天文】天龙星座。
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- as genitive Draconis /drəˈkəunɪs/ used with preceding letter or numeral to designate a star in this constellation与其前面的字母或数字连用以标示该星座中的星天龙星座的：
the star Gamma Draconis.
天龙座γ星。
词源
Latin.