A spectrum is formed by a ray of light passing through a prism.

一束光通过棱镜就会形成光谱。

《牛津词典》

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。

youdao

One way to visualize this distinction is by mapping beliefs on a spectrum.

将这种区别可视化的一种方法是将信念映射到一个范围上。

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There was generally favorable response across the political spectrum in Muslim countries to the president's public statements - such as a pledge made before Turkey's Parliament in Ankara.

VOA: standard.2009.04.24

Dermatologists recommend wearing a broad-spectrum sunscreen with at least SPF 15 every day.

WSJ: The Myths of Daily Sunscreen

Second, the industry needs a broad-spectrum political and social engagement strategy.

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Moreover, it also helps one to understand where lasting change is likely to originate: not from the occasional activity of a cross-spectrum grouping, but from the sustained, persistent, targeted, and strategic activity of one.

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