单词	marsh gas
释义	marsh gasˈmarsh gas noun [uncountable] Examples EXAMPLES FROM THE CORPUS Perhaps when unhappy people die they release an effluvium of depression, like marsh gas. gas formed from decaying plants under water in a marsh SYN  methane
随便看	papoose paprika Pap smear Papuan Papua New Guinea Papworth Hospital papyrus par para- para paraben parable parabola parabolic paracetamol parachute parachutist parade parade ground paradigm paradigmatic paradigmatically paradigm shift paradise Paradise Lost

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