halogen family elements

例句：

1. 1. The halogen family elements are widely used in various industries.
   卤族元素在各种工业中广泛使用。
2. 2.The halogen compounds have unique properties that make them useful in many applications.
   卤族化合物具有独特的性质，这使得它们在许多应用中非常有用。
3. 3. In the field of chemistry, halogen elements play a crucial role in the synthesis of organic compounds.
   在化学领域，卤族元素在有机化合物的合成中起着至关重要的作用。