spectra at high and low temperatures

例句：

1. 1. The scientist analyzedthe spectra of the light coming from thestars.
   科学家分析了来自恒星的光的光谱。
2. 2.The new instrument can measure the spectra ofmolecules in the air.
   新仪器可以测量空气中分子的光谱。
3. 3. The researcher foundthat the spectra of the molecules showed apattern consistent with the theory.
   研究者发现分子的光谱与理论一致。