spectrum ·noun (COLORS)

光谱的颜色可以在彩虹中看到。

The colors of the ___spectrum can be seen in a rainbow.

然后，在黎明时分，太阳慢慢升起，产生出从深紫色到耀眼的黄色的壮观色彩光谱。

Then, at dawn, the sun slowly rises, producing a spectacular ___spectrum of colors, ranging from deep purple to blinding yellow.

棱镜可以将白光分离成可见光的完整光谱。

A prism can separate white light into the full ___spectrum of visible colors.