柯林斯詞典celestial sphere 1. N an imaginary sphere of infinitely large radius enclosing the universe so that all celestial bodies appear to be projected onto its surface 天球; 一個(gè)想像假設(shè)的包含了整個(gè)宇宙的無(wú)限大球體,故所有天體都能展示在其表面上 返回 celestial sphere