spectrum的复数形式为：spectrums...

The term "special needs" covers a wide spectrum of problems.“特殊需求”一词包含的问题范围很广。The political spectrum has broadened.政治范围得到了扩大。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。...

n.光谱，波谱，范围，系列...

Formant: it uses the estimation of the overall shape of the spectrum's amplitude envelope.共振峰: 使用了对频谱的振幅包络线的大体形状所作的估计....parties competing across the political spectrum...政治纷争中的各党派However , the noise spectrum of the...

spectrum的音标：spectrum的英式发音音标为：['spektrəm]spectrum的美式发音音标为：['spɛktrəm]...