Saturn例句
Astronomers used to ask why only
Saturn has rings.
天文学家们过去一直感到奇怪,为什么只有土星有光环.
Saturn was to launch the 15 th flight, a Moon orbital mission.
第15次飞行利用萨杜恩将飞船送人月球轨道.
The
Saturn family of launch vehicles falls into three types or groups.
“土星族”飞行器可以分为三类或三组.