translation.en: When humid air, high humidity and radiation are combined with these organic compounds, which I call exogenous vitamin C, generous vitamin C in the form of gas, the plants release antioxidants which react with pollutants.
translation.zh: 当湿空气、高湿度和辐射 与这些有机化合物结合到一起 我称之为外生的维他命C， 大量的维他命C以气体形式存在 植物就释放抗氧化剂 和污染物相互作用