polymery

例句：

1. 1. Polymers are used in a wide range of applications, from plastics to electronics.
   聚合物在从塑料到电子的广泛应用中被使用。
2. 2.The development of new polymers is one of the key areas of research in materials science.
   新型聚合物的开发是材料科学中的一个关键研究领域。
3. 3.Polymers have unique properties that make them useful for many different applications.
   聚合物具有独特的性质，使其适用于许多不同的应用。