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  •   你查询的单词是:polystyrene ([ ˌpɔli'staiəri:n ]
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  •   解释: n. 聚本乙烯
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  •   例子: 1. A small piece, as of polystyrene, used in quantity to protect items during packaging and shipment.
       保护物品的小片大量用于包装及运输中保护物品的一种小片,如聚苯乙烯
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