Senarmont prism

例句：

1. 1. The Senarmont prism is a device used in astronomy to measure the angle of light.
   塞纳蒙特棱镜是一种天文仪器，用于测量光线的角度。
2. 2. The prism was used to separate colors in the spectrum.
   棱镜被用来分离光谱中的色光。
3. 3. The prism was used to create a rainbow effect.
   棱镜被用来创造彩虹效果。