alignment prism

例句：

1. 1.The alignment of the stars in the skyis a fascinating phenomenon.
   天空中星星的排列令人着迷。
2. 2. The alignment of theplanets in their orbits is crucialfor understanding our solar system.
   行星在轨道上的排列对于理解我们的太阳系至关重要。
3. 3.The alignment of the two beams oflight was perfect for the experiment.
   两束光线的对准完美适合这个实验。