transition metal ion

例句：

1. 1. The transition metalion is crucial for the formation of new compounds.
   过渡金属离子对于形成新化合物至关重要。
2. 2. The transition metal ion plays a vital role in the development of new materials.
   过渡金属离子在新材料的发展中扮演着重要角色。
3. 3. The transition metal ion has been extensively studied due to its unique properties.
   由于其独特的性质，过渡金属离子受到了广泛的研究。