azobenzene

例句：

1. 1. Azobenzene is a molecule that undergoes reversible color changes when exposed to light.
   偶氮苯是一种分子，当它暴露在光线下时会经历可逆的颜色变化。
2. 2. The azobenzene dye was used in the production of textiles.
   这种偶氮苯染料用于纺织品的生产。
3. 3. The discovery of azobenzene led to the development of synthetic dyes.
   偶氮苯的发现导致了合成染料的发展。