halogen compound

例句：

1. 1.Halogen compounds are widely used in the production of plastics and other materials.
   卤素化合物在生产塑料和其他材料方面被广泛使用。
2. 2. The discovery of these compounds has revolutionized the field of chemistry.
   这些化合物的发现使化学领域发生了革命性的变化。
3. 3. In addition to their chemical properties, halogens also play a crucial role in biological systems.
   除了它们的化学性质外，卤素还在生物系统中扮演着至关重要的角色。