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不饱和碳氢化合物，属于烯烃同系物。
An unsaturated hydrocarbon belonging to the alkene homologous series.
youdao
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是饱和碳氢化合物，属于烷烃同系物。
It is a saturated hydrocarbon belonging to the alkane homologous series.
youdao
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是饱和碳氢化合物，属于烷烃同系物。
It is a saturated hydrocarbon belonging to the alkane homologous series.
youdao