单词	major division
释义	major division短语⁷⁷⁸¹³主要部分
随便看	methane base methane bearing coalbed methane-bearing coal particle methane-belching methanebisphosphonic acid methane blower methane bridge Methane Bubbling Up From Undersea Permafrost Methane Bubbling Up From Undersea Permafrost? methane burning equipment methane-carbon content methane carbon isotope methane carboxylic acid methane carrier methane catalytic combustion methane catalytic decomposition methanech4 methane characteristics methane chloride methane chloride products methane chlorination Methane Chlorofluorocarbons methane clathrate methane clathrates methane coefficient