释义 |
grey water ˈgrey ˌwater (US USUALLY ˈgray ˌwater) noun [U] ► F0 water that has been used before, for example for washing, that can be stored and used again, for example in toilets: » Water companies are testing recycling units which take grey water and clean it up sufficiently for flushing toilets.Thesaurus+: ↑Environmental issues , ↑Rubbish and waste , ↑Protection and protectorsThesaurus+: ↑Water in general |