单词	acenaphthene
释义	acenaphthene noun ace·​naph·​thene ˌasəˈnapˌthēn, -afˌth- plural -s : a crystalline tricyclic hydrocarbon C12H10 obtained especially from coal tar and used chiefly as a dye intermediate and in biology for inducing polyploidy Word History Etymology International Scientific Vocabulary ace- + naphthene First Known Use 1868, in the meaning defined above
随便看	lucking lucking (out, on, onto, or into) lucking into lucking out lucking out, on, onto, or into luckless lucklessly lucklessness lucklessnesses Lucknow lucknows luckpenny lucks lucks (out, on, onto, or into) lucks into lucks out lucks out, on, onto, or into lucky lucky bag lucky bone lucky dad lucky day lucky devil lucky dip lucky duck

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