名词
中文翻译：聚苯乙烯珠子
同义词：
['polystyrene beads', 'polystyrene pellets']
例句：
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1. These polystyrene beadsare perfect for crafting jewelry.
这些聚苯乙烯珠子非常适合制作珠宝。
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2. Theteacher used polystyrene beads todemonstrate the concept of density.
老师用聚苯乙烯珠子来演示密度的概念。
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3.Polystyrene beads are commonly usedin packaging and as decorative items.
聚苯乙烯珠子常用于包装和作为装饰品。