swamp gas
noun[Cusually singular]
uk/ˈswɒmp ˌɡæs/us/ˈswɑːmp ˌɡæs/agasproducedin aswampbydecayingplantsthat arecoveredbywater:
沼气You couldsmelltheswampgasamileoff.一英里以外都能闻到沼气的气味。
Geography: wetland
- bog
- boggy
- boreal forest
- fen
- floodplain
- marshland
- marshy
- mire
- miry
- morass
- peat bog
- quagmire
- quicksand
- reed bed
- slough
- swamp
- swampy
- water meadow
- waterlogged
- wetland