
好词典

源自希腊语 'polys'(多)和 'styrene'(苯乙烯),指由苯乙烯单体聚合而成的塑料。
❶ 聚苯乙烯,一种轻质、多用途的合成塑料材料,常用于制造包装材料、一次性餐具和保温材料。
“The coffee cup is made of polystyrene to keep the drink warm.”
(这个咖啡杯是用聚苯乙烯做的,可以保持饮料温度。)
“Polystyrene foam is often used for packaging fragile items.”
(聚苯乙烯泡沫常用于包装易碎物品。)
expanded polystyrene — 膨胀聚苯乙烯,一种泡沫塑料,常用于包装和隔热。
“The fragile electronics were packed in expanded polystyrene to prevent damage.”
(易碎的电子产品用膨胀聚苯乙烯包装以防损坏。)