ethylidene
n.乙缩醛;乙叉网络解释.亚乙基;乙叉;乙基乙醇胺;乙撑
英[ə\'θɪlɪdi:n] 美[ə\'θɪlɪdi:n]
ethylidene
ectaticempressexplainextraditableeurythmiaeupatoroxinEudermapteraemailloidEunicidaeeurybathicendearinglyextrovateepirockentropionelastrationephedrinestratrieneendosexineergonometricsequiasymptotical