polystyrene

聚苯乙烯

Most disposable food containers here are made of polystyrene.

这里大部分的免洗餐盒都是聚苯乙烯制成的。

保丽龙、发泡聚苯乙烯常指发泡材质

The fragile vase was packed in polystyrene to protect it.

易碎的花瓶用保丽龙包起来以免受损。

聚苯乙烯制的、保丽龙的置于名词前

She drank her coffee from a polystyrene cup.

她用保丽龙杯喝咖啡。