geometrical light-path

例句：

1. 1.The geometrical light-path through the forest is a beautiful sight to behold.
   穿过森林的几何光线路径是一道美丽的风景。
2. 2. In this experiment, we are measuring the geometrical light-path of the beam.
   在这个实验中，我们正在测量光束的几何光线路径。
3. 3. The geometrical light-path was calculated using computer software.
   几何光线路径是通过计算机软件计算出来的。