diperacid

例句：

1. 1. The factory emitted a lot of diperacid into the air.
   工厂排放了大量的二氧化硫到空气中。
2. 2. The chemical reaction produces diperacid as a byproduct.
   化学反应产生二氧化硫作为副产品。
3. 3. The pollution from the factories is causing diperacid levels to rise in the river.
   工厂的污染导致河水中的二氧化硫水平上升。