与美国小学生一起学英文第11册 第6期:光谱
时间：2019-01-10 作者：英语课 分类：与美国小学生一起学英文第11册
英语课
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 2 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。
n.谱，光谱，频谱；范围，幅度，系列
- This is a kind of atomic spectrum.这是一种原子光谱。
- We have known much of the constitution of the solar spectrum.关于太阳光谱的构成，我们已了解不少。
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