Polystyrene is a very light plastic substance used to make containers or to keep things warm, cool, or protected from damage.
...~ cups.
N-UNCOUNT
Polystyrene is a very light plastic substance used to make containers or to keep things warm, cool, or protected from damage.
...~ cups.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012