spectrum

US /ˈspek.trəm/
UK /ˈspek.trəm/
"spectrum" picture
1.

光谱

a band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength.

:
The prism separated the white light into a beautiful spectrum of colors.
棱镜将白光分解成美丽的彩色光谱
The visible light spectrum ranges from red to violet.
可见光光谱范围从红色到紫色。
2.

范围, 领域, 光谱

a range of values, ideas, or activities.

:
The political spectrum includes various ideologies from left to right.
政治光谱包括从左到右的各种意识形态。
The company offers a wide spectrum of services to its clients.
该公司为其客户提供广泛的服务范围