查词历史：: polythene polyhalide polygynous polygonum

polythene

[英] [ˈpɔləˌθi:n] [美] [ˈpɑləˌθin] 生词本

n. [化]聚乙烯； =polyethylene

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1. N-UNCOUNT 聚乙烯 Polythene is a type of plastic made into thin sheets or bags and used especially to keep food fresh or to keep things dry.

Simply put them into a polythene bag and store them in the freezer for a day.

只需把它们装进保鲜袋，在冰箱里储存一天即可。

in AM, usually use 美国英语通常用 polyethylene

Noun

1. a lightweight thermoplastic; used especially in packaging and insulation

synonym： polyethylene

医学

1.聚乙烯：同polyethylene

1. This polythene sheet should serve to keep out the rain for a while.: 这种聚乙烯塑料应该可以挡一会儿雨。