sewages

sewages — noun

1. dirty water and other waste moving through sewers, especially when waste from di

1.名詞C1
釋義

dirty water and other waste moving through sewers, especially when waste from different places or systems is being discussed separately

例句

Engineers tested the sewages from three factories before approving the discharge permit.

sewages from + source

Separate tanks keep the sewages from homes apart from the chemical waste next door.

plural use for different waste streams

同義詞
  • sewage

    the normal everyday mass noun for the same waste material

  • wastewater

    broader term that can include used water without human waste

  • effluent

    more technical and often used for liquid waste being discharged

文法句型

sewages from + source/place

用法筆記

Rare plural form. Writers use it mainly when they need to separate several sources or types of sewage in one discussion. In everyday English, the singular mass noun 'sewage' is much more common.

常見錯誤

❌The river was polluted by many sewages.
✅The river was polluted by sewage.
💡use the singular mass noun for the waste in general; the plural is mainly for comparing separate waste streams.