The sunlight we see looks white.
我们看到的太阳光是白色的。
But in fact, it is made up of seven different colors.
但实际上，它包含七种不同的颜色。
The seven colors are red, orange, yellow, green, blue, indigo, and violet.
这七种颜色是红、橙、黄、绿、蓝、靛、紫。
We can see these colors when light is separated.
当光被分开时，我们就能看到这些颜色。
A prism is a special glass object that can split light.
棱镜是一种特殊的玻璃物体，它可以分解光线。
When sunlight passes through a prism, it bends and spreads into seven colors.
当太阳光通过三棱镜时，它会发生弯曲并分散成七种颜色。
This process is called dispersion.
这个过程叫做色散。
Rainbows in the sky are also formed this way.
天空中的彩虹也是通过相同的原理形成的。
After the rain, water droplets in the air act like tiny prisms.
雨后，空气中的水滴就像小小的棱镜。
They separate sunlight into different colors, creating a rainbow.
它们把太阳光分解成不同的颜色，形成彩虹。
Each color of light has a different wavelength.
每种颜色的光都有不同的波长。
Red light has the longest wavelength, so it bends the least.
红光的波长最长，所以它弯曲得最少。
Violet light has the shortest wavelength, so it bends the most.
紫光的波长最短，所以它弯曲得最多。
All the colors together make up the white light we see every day.
所有颜色的光混合在一起，就形成了我们每天看到的白光。
Without sunlight, the world would be dark.
如果没有阳光，世界将变得黑暗。
Sunlight helps plants grow and gives us warmth.
阳光帮助植物生长，并给我们带来温暖。
It also creates beautiful rainbows and colorful lights.
它还能形成美丽的彩虹和五彩斑斓的光。
Now you know that sunlight is not just white—it is made up of seven colors!
现在你知道太阳光并不是纯白的，而是由七种颜色组成的了！
