Axis bulbi externus

例句：

1. 1. The discovery of a new exoplanet has sparked excitement in the scientific community.
   发现一颗新系外行星，科学界兴奋不已。
2. 2. Astronomers have been studying the properties of these axial bodies for decades.
   天文学家们已经研究这些轴外星体几十年了。
3. 3.The study of axial bodies is crucial for understanding the structure and dynamics of our galaxy.
   研究轴外星体对于理解我们星系的结构与动态至关重要。