stratoscope

例句：

1. 1. The astronomer used a stratoscope to observe the stars.
   这位天文学家使用一台天文望远镜来观察星星。
2. 2.She spent hours studying the constellations through her stratoscope.
   她通过她的天文望远镜花了数小时研究星座。
3. 3.The young astronomer was thrilled to discover new planets with his stratoscope.
   这位年轻的天文学家用他的天文望远镜发现了新的行星，感到非常兴奋。