We often put the polystyrene foam used as insulating materials and floatingmaterial, also used for refrigerators, freezers, shipping and storage container.
咱们常常把聚苯乙烯泡沫塑料用作绝缘资料和漂浮资料,也用于冰柜、冰箱、船舶和贮存容器。
3
Since the vitreous has become quite watery, large floating spots of degenerative material can be easily seen.