单词	polystyrene
释义	polystyrene /ˌpɒlɪˈstʌɪriːn / noun [mass noun] A synthetic resin which is a polymer of styrene, used chiefly as lightweight rigid foams and films: these plaques are moulded in black polystyrene [as modifier]: a polystyrene cup... The polymer polystyrene contains the phenyl group as part of its repeat unit. The process uses a polymer formed through a chemical bonding of polystyrene and polymethyl methacrylate. All polystyrene and polyurethanes are combustible regardless of grade. Rhymes Irene
随便看	Predmostian prednisolone prednisone predoctoral predominance predominancy predominant predominantly predominant partner predominate predominately predomination predominator predominion predone predoom predormital predorsal Pre-Dorset pre-Dreadnought pre-drill pre-drilling predrink predrinking predy

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