activated sewage

英 美
  • 活性污水,活化污水
  • activated adj.激活的动词activate的过去式和过去分词.
  • sewage n.污水;污物
    1. The river was contaminated with sewage.
      这河水被污水污染了。
    2. Sewage, however, is rather different.
      然而,污水则有所不同。