polystyrene foam

• 泡沫聚苯乙烯,泡沫塑料

polystyrene foam的用法和样例：

例句

1. Foam plastics are applied to protect the goods against press.
   泡沫塑料用来防止挤压。
2. I attached two polystyrene foams to adjust the height.
   我贴了两块泡沫塑料来调整高度以适应飞机的大小。