单词：polythene
音标：['pɔli,θi:n] ；
柯林斯词典等级：1 级；
n. 聚乙烯
[化] 聚乙烯
[化] 聚乙烯
n a lightweight thermoplastic; used especially in packaging and insulation
词型变化：名词复数形式 : polythenes
polythene的用法和样例：
例句
用作名词(n.)
- We use a polythene wrapper for each shirt.每件衬衣都用聚乙烯袋包装。
- This polythene sheet should serve to keep out of the rain for a while.这种聚乙烯塑料应该可以挡一会儿雨。
【近义词】
- polyethylene聚乙烯
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