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Spectrum
光谱
Do you know what a spectrum is?
你知道光谱是什么吗？
It is a series of colored lights.
它是复色光。
How can we see a spectrum?
我们怎么能看到光谱？
When you see sunlight through a prism, you may see a rainbow.
当你通过三棱镜看太阳光的时候，你会看到彩虹。
This is the spectrum of light.
那就是光谱。
Can you seperate a color from one spectrum? No, it is impossible!
你能从光谱中分离出颜色吗？那是不可能的！
People think there are only red, orange, yellow, green, blue, indigo and violet colors in a rainbow.
人们认为彩虹只有红、橙、黄、绿、青、蓝、紫色。
Is it true? No, it isn't.
是这样的吗？不是的。
As a matter of fact, there are thousands of colors between each color.
事实上，每种颜色之间都有几千种颜色。
Therefore, a spectrum is a set of thousands of colors.
因此，光谱是几千种颜色的集合。
