自然氧化

例句：

1. 1. The process of natural oxidation is crucial in the formation of iron oxides.
   自然氧化过程在形成铁氧化物中至关重要。
2. 2. The chemical reaction between oxygen and hydrogen gas leads to natural oxidation.
   氧气和氢气的化学反应导致自然氧化。
3. 3. The study of natural oxidation has important implications for environmental science.
   自然氧化的研究对环境科学具有重要意义。