This light is passed through a prism, which breaks it up into a spectrum.
这种光通过棱镜,而棱镜把它分割成了一道光谱。
Visible light consists of different colors or wavelengths, which together make up what's called spectrum, a band of colors, like you see in a rainbow.
可见光由不同的颜色或波长组成,它们共同组成了所谓的光谱(一段颜色),就像你在彩虹中看到的那样。
This light is passed through a prism, which breaks it up into a spectrum, and a unique pattern, kind of like a chemical fingerprint of spectral lines for that element appears.
铁块会一直加热,直到到达某一燃点,便会辐射出光来;而当它的光线穿过一块棱柱时,棱柱就会分割光线,形成光谱。
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