←

biogas

noun
🔊/ˈbaɪəʊɡæs/
🔊/ˈbaɪəʊɡæs/
 [uncountable]
jump to other results
  1. 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）Topics The environmentc2