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Ethylidene的音标发音
Ethylidene
英式发音：['θilidi:n]
美式发音
(-) An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.
编辑:兰尼
