polyethyleneKK [ˏpɑˏliˋɛθəˏlin] /ˌpɑˌliˈɛθəˌlin/發音名詞1聚乙烯Most shopping bags are made of thin, flexible polyethylene.大部分購物袋都是用輕薄有彈性的聚乙烯製成的。形容詞1聚乙烯製的限定用法The pipes are wrapped in a polyethylene sheet for insulation.這些管線外面包了一層聚乙烯膜來隔絕。