spect
rum
复数形式
spectra
1
光谱, 范围
the range of different wavelengths or frequencies of light or radiation
- The scientist studied the spectrum of visible light emitted by the star.
科学家研究了恒星发出的可见光的光谱。
- Each color in the rainbow represents a different part of the spectrum.
彩虹中的每种颜色代表光谱的不同部分。
- Ultraviolet light is part of the spectrum that is invisible to the human eye.
紫外线是人类眼睛看不见的光谱的一部分。
- The full spectrum includes gamma rays, X-rays, and radio waves.
完整的光谱包括伽马射线、X射线和无线电波。
- They used a prism to separate white light into its spectrum.
他们使用棱镜将白光分离成其光谱。
2
谱, 范围
a broad range of related objects or values or qualities or ideas or activities