好词典

polythene

UK //ˈpɒl.ɪ.θiːn//US //ˈpɑː.lɪ.θiːn//

词源

源自 'poly-'(多)和 'ethylene'(乙烯),指由乙烯聚合而成的材料。

noun

❶ 一种轻质、柔韧的塑料材料,常用于制作袋子、包装膜等日常用品,化学成分为聚乙烯。

“She wrapped the sandwiches in polythene to keep them fresh.”

(她用聚乙烯薄膜包住三明治以保持新鲜。)

“The supermarket provides polythene bags for customers.”

(超市为顾客提供聚乙烯塑料袋。)

同义词:polyethylene, plastic film, poly bag

常见短语

polythene bag — 指用聚乙烯材料制成的袋子,常用于购物或包装物品。

“He carried his groceries in a polythene bag.”

(他用聚乙烯袋子装着杂货。)