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Polystyrene | Define Polystyrene at Dictionary.com
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日期:2024-05-20
polystyrene / ˌpɒl iˈstaɪ rin, -ˈstɪər in / Show Spelled [pol-ee-stahy-reen, - steer-een] Show IPA noun Chemistry. a clear plastic or stiff foam, a polymer of styrene, used chiefly as an insulator in ......看更多