polyatomic ring

例句：

1. 1. The structure of this compound is made up of a polyatomic ring.
   这种化合物的结构由一个多原子环组成。
2. 2.The study of polyatomic rings has important implications for materials science.
   多原子环的研究对于材料科学具有重要意义。
3. 3. Polyatomic rings are often found in biological molecules as they play crucial roles in the functioning of cells.
   多原子环通常存在于生物分子中，因为它们在细胞功能中起着至关重要的作用。