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noun 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。 Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱的两端。 the electromagnetic/radio/sound spectrum电磁波谱；射频频谱；声谱 a broad spectrum of interests广泛的兴趣范围 We shall hear views from across the political spectrum. 我们要听取各个政治派别的看法。 Other species can perceive colours of the spectrum that are invisible to us. The courses cover the full spectrum of levels. The newspaper covers a broad spectrum of opinion. The two speakers were chosen to represent opposite ends of the spectrum. There was consensus across the political spectrum. These thinkers represent a wide spectrum of political perspectives. These wavelengths correspond to red in the visible spectrum. a continuous spectrum of light waves a wide spectrum of interests the ultraviolet part of the spectrum The policy has the support of a broad spectrum of opinion. |