◎ styrofoam是什么意思 n. 泡沫聚苯乙烯 n. a light resilient foam of polystyrene styrofoam的用法和例句: 1. He filed a patent for a biodegradable alternative to styrofoam. 他为聚苯乙烯泡沫塑料的 可生物降解替代品申请了专利 2. The main ingredient in a homema...