cyclopropeneWiktionary 原文英美构词拆解cyclocyclo-前缀propenepropene词干cyclo-Circle, circular. · (chemistry) A cyclic compound.词源说明From cyclo- + propene.释义名词noun1(organic chemistry) The cycloalkene having three carbon atoms and one double bond; any derivative of this compound同族词派生词 3cyclopropenation·cyclopropenium·cyclopropenone