polystyreneWiktionary 原文/pɒliˈstaɪriːn/n.聚苯乙烯中文释义来自 ECDICT构词拆解polypoly-前缀styrenestyrene词干poly-many · polymer词源说明From poly- + styrene.释义名词noun1(organic chemistry) A vinylic polymer of styrene, CH2CHphenyl.2(organic chemistry) An alkane chain of benzene molecules, RCH2CHphenylR.同族词