Sir·i·us /ˈsɪriəs/ 天狼星 ; 信件讀寫程式,(與FIDONET信件格式相容)
Sir·i·us n. Astron. The Dog Star. See Dog Star. ◄ ►
Sirius n : the brightest star in the sky; in Canis Major [syn: Dog Star, Canicula, Sothis]