methylenedioxyWiktionary 原文英美构词拆解methylenemethylene词干didi-前缀oxyoxy-前缀di-Two. · Double, twice the quantity.oxy-Sharp, keen, acute, pungent, acid词源说明From methylene + di- + oxy-.释义名词noun1(chemistry) A functional group with the structural formula R-O-CH2-O-R', connected to the rest of a molecule by two chemical bonds.同族词派生词 4methylenedioxymethamphetamine·methylenedioxyphenethylamine·