biogas

Longman Dictionary of Contemporary English Online朗文当代英语 5++LDOCE Online朗文 5++bi·o·gas /ˈbaɪəʊɡæs $ ˈbaɪoʊ-/ noun [uncountable] gas produced from decaying plant material that can be used as fuel

bi·o·gas nounSyllable

bio·gas

BrE

/ˈbaɪəʊɡæs/

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NAmE

/ˈbaɪoʊɡæs/

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noun

[uncountable]

gas, especially

methane

, that is produced by dead plants and that can be burned to produce heat 沼气（由植物残体产生的甲烷等可燃气体）