资料来源 : pyDict

脏水,污水用污水灌溉

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Sewage \Sew"age\, n.
   1. The contents of a sewer or drain; refuse liquids or matter
      carried off by sewers

   2. Sewerage, 2.

资料来源 : WordNet®

sewage
     n : waste matter carried away in sewers or drains [syn: {sewerage}]