常見例句用作名詞 (n.)Polystyrene is better known as Styrofoam, wads of which can be found on seashores and floating out to sea.人們更多的時候稱聚苯乙烯為泡沫塑料，你可以在海邊發(fā)現(xiàn)大量的泡沫塑料，它們會被沖進大海中。 返回 wads