单词	methanal
释义	methanal /ˈmɛθənal / noun Systematic chemical name for formaldehyde.It is manufactured by heating methanal with ammonium chloride.... As has already been stated oxidation yields the aldhyde methanal, but further oxidation of this will yield the carboxylic acid methanoic acid. A particularly important reaction is with the aldehyde methanal. Origin Late 19th century: blend of methane and aldehyde.
随便看	tormentedly tormentil tormenting tormentingly tormentor torn tornadic tornado Tornado Alley Tornio toro toroid toroidal toroidally Toronto Toronto blessing torpedo torpedo boat torpedo-like torpedo net torpedo ray torpedo tube torpefy torpid torpidity

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