oxidation agent

例句：

1. 1. The chemical reaction iscatalyzed by an oxidation agent.
   化学反应由氧化剂催化。
2. 2.The oxidation agent reactswith the metal to form a new compound.
   氧化剂与金属反应形成新化合物。
3. 3.The oxidation agent was carefullychosen to ensure safety during the process.
   氧化剂被精心选择，以确保过程的安全性。