dimethylaminoWiktionary 原文英美构词拆解dimethyldimethyl词干aminoamino词干词源说明From dimethyl + amino.释义名词noun1(organic chemistry, especially in combination) The univalent radical (CH3)2N- derived from dimethylamine同族词派生词 6dimenoxadol·dimethylaminocinnamaldehyde·dimethylaminohydrolase·