烯烴
释义
含有C=C鍵(碳─碳雙鍵)的碳氫化合物,屬於不飽和烴
等义词
21 more languages
CEFR 等级
C2
精通
该词属于CEFR C2词汇——精通水平。
该词属于CEFR C2词汇——精通水平。
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