a polymer of styrene; a rigid transparent thermoplastic
polystyrene例句
A small piece, as of polystyrene, used in quantity to protect items during packaging and shipment.
保护物品的小片大量用于包装及运输中保护物品的一种小片，如聚苯乙烯
polystyrene详细解释
pol.y.sty.rene n.（名词）A rigid, clear thermoplastic polymer that can be molded into objects or made into a foam that is used to insulate refrigerators.聚苯乙烯：一种硬而明亮的热塑性聚合物，它能被铸成物件或制成用来给冰箱隔热的一种泡沫 【引伸】 pol.ysty.rene adj.（形容词）
