You all know how when you take a crystal prism and pass a beam of sunlight through it, you get a spectrum, which looks like a continuous band of rainbow colors.
你们都知道，拿起一个水晶棱镜，让一束阳光通过它，就会得到一个光谱，看起来就像一条连续的彩虹色带。
2
This material is made with dyes that change colors when they get warm.
这种材料是由一遇热就会变色的染料制成的。
3
So your body and mind will be healthy by using the colors you like. Or you'll be nervous or even get ill.