drop spectrum

例句：

1. 1. The spectrum of colors in the rainbow is a beautiful example of how light can be split into different wavelengths.
   彩虹中颜色的光谱是光如何被分成不同波长的美妙例子。
2. 2. In astronomy, the spectrum of stars is used to study their chemical composition and temperature.
   在天文学中，恒星的光谱用于研究它们的化学成分和温度。
3. 3. The scientist observed the spectrum of the sun's light during a solar eclipse.
   这位科学家在日食期间观察了太阳光的光谱。