expansible polystyrene

例句：

1. 1. Thismaterial is ideal for use in packaging,as it is highly expandable and lightweight.
   这种材料非常适合用于包装，因为它非常可膨胀且重量轻。
2. 2.The new design of the carhas a more spacious interior, whichmakes it an expansible polystyrene.
   这款汽车的新设计拥有更宽敞的内部空间，使其成为可膨胀的聚苯乙烯。
3. 3. The company uses this materialin its construction products due to its excellentthermal insulation properties, making itan expansible polystyrene.
   由于其卓越的绝热性能，该公司在其建筑材料中使用了这种材料，使其成为可膨胀的聚苯乙烯。