spectrum

/ˈspɛktrəm/

an ordered array of the components of an emission or wave

中文释义：光谱；范围；频谱

The visible spectrum includes all the colors that the human eye can detect.

可见光谱包括人眼能够检测到的所有颜色。

The political spectrum ranges from far left to far right.

政治光谱从极左到极右。