4周搞定2000+托福核心词
poly = poly(多) =
poly = poly(多) = n.一夫多妻
聚苯乙烯
polystyrene
常考释义
The Save-a-Cup scheme was set up by the vending and plastics industries to recycle as many as possible of the three-and-a-half billion polystyrene cups used each year.
节省一个杯子计划，由销售业和塑料行业设立，它回收了每年使用的多达3。5亿只聚苯乙烯杯子。
来源于：剑雅5-Test3n. 聚苯乙烯【化】
adj. 聚苯乙烯的【化】
I place a polystyrene marker about ten yards past where I intend to cast.
我在准备抛钓丝处约10码远的地方放了一个聚苯乙烯浮标。
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