expanded polystyrene
noun/ɪkˌspændɪd ˌpɒliˈstaɪriːn/
/ɪkˌspændɪd ˌpɑːliˈstaɪriːn/
(also Styrofoam™ especially in North American English)
[uncountable]- a form of polystyrene used for protecting objects in packages and for stopping heat, noise, etc. from escaping
膨胀聚苯乙烯：一种聚苯乙烯形式，用于保护包装中的物品以及阻止热量，噪音等逸出