unsaturated bond

例句：

1. 1. Themolecule's structure is characterized by itsunsaturated bonding.
   该分子的结构特征是其不饱和键。
2. 2. The researchfocused on the properties ofunsaturated bonds in polymers.
   研究专注于聚合物中不饱和键的性质。
3. 3.The unsaturated bonding between atoms canlead to a variety of chemical reactions.
   原子之间的不饱和键可以导致多种化学反应。