单词	firedamp
释义	firedamp noun fire·​damp ˈfī(-ə)r-ˌdamp  : a combustible mine gas that consists chiefly of methane also : the explosive mixture of this gas with air Word History First Known Use 1662, in the meaning defined above Medical Definition firedamp noun fire·​damp -ˌdamp  : a combustible mine gas that consists chiefly of methane also : the explosive mixture of this gas with air compare black damp
随便看	papules papuliferous papulo- papulose papulous papyri papyrin papyrine papyro- papyrological papyrologies papyrologist papyrologists papyrology papyrus papyrus capital papyrus column papyruses paquebot cover paquebot mail par par avance par avion par clearance par excellence

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