polystyrene

[.pɔli'staiəri:n]

n.聚苯乙烯

例句与用法：

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

详细释义：

n.

【化】聚苯乙烯