polyvinyl ester聚乙烯: polyethylene; polythene酯: ester聚乙酸乙烯酯: poly(vinyl acetate)聚乙酸乙烯酯凝胶: polyvinyl acetate gel醋酸乙烯酯-聚乙烯吡咯烷酮: vinylacetate-polyvinyl pyrrolidone下载手机词典可随时随地查词查翻译