名詞 cygnus:

1. a constellation in the northern hemisphere between Pegasus and Draco in the Milky Way; contains a black hole
2. a genus of Anatidae
   同義詞：genus Cygnus

1. The brightest star in the constellation Cygnus, approximately1,630 light-years from Earth.
   天津四，天鵝α星在天鵝座最亮的一顆恒星，距地球大約有1,630光年

Cyg.nus

n.（名詞）
A constellation in the Northern Hemisphere near Lacerta and Lyra, containing the star Deneb.Also called Northern Cross ,Swan
天鵝座：北半球靠近拉塞爾達和利拉的星座，包括天津四星也作 Northern Cross,Swan

來源：
Latin cygnus [swan] * see cygnet
拉丁語 cygnus [天鵝] *參見 cygnet