常见例句用作名词 (n.)Polystyrene is better known as Styrofoam, wads of which can be found on seashores and floating out to sea.人们更多的时候称聚苯乙烯为泡沫塑料，你可以在海边发现大量的泡沫塑料，它们会被冲进大海中。 返回 wads