polythene strip聚乙烯片
polythene wrapping聚乙烯薄膜包装
Polythene e聚乙烯
polythene collar聚乙烯颈围
polythene production聚乙烯生产
polythene plastics聚乙烯塑料
POLYTHENE FILM聚乙烯
polythene queen梦想颠倒
N-UNCOUNT（不可数名词） Polythene is a type of plastic made into thin sheets or bags and used especially to keep food fresh or to keep things dry. 聚乙烯 [英国英语]