prismatic stride level

例句：

1. 1. The scientist used a prism to measure the speed of light.
   科学家使用棱镜来测量光速。
2. 2. The prism was designed to help people see more clearly in low light conditions.
   这个棱镜被设计用来帮助人们在低光照条件下看得更清楚。
3. 3. The prism was used to split the sunlight into its different colors.
   这个棱镜被用来将阳光分解成它的不同颜色。