旋涡星系 xuánwōxīngxì spiral galaxy Definitions Defs Origin Strokes Stroke Words Sentences Sents 旋涡星系 旋渦星系 xuánwōxīngxì spiral galaxy a galaxy in which the stars and gas clouds are arranged in a spiral shape
旋涡星系 旋渦星系 xuánwōxīngxì spiral galaxy a galaxy in which the stars and gas clouds are arranged in a spiral shape
