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单词	pyrrolidone
释义	pyrrolidone /pɪˈrɒlɪdəʊn / noun [mass noun] Chemistry A colourless weakly basic solid which is a keto derivative of pyrrolidine. Chemical formula: C4H7NO. The water-soluble macromolecular compound preferably includes a copolymer of N-vinyl - 2 - pyrrolidone and vinyl acetate.
随便看	prisonise prisonised prison island prison isle prisonization prisonize prisonized prison keeper prison mate prison matron prison officer prisonous prisonscape prison sentence prison service prison van prison-without-bars priss prissified prissily prissiness prissy pristaf pristaff pristane

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