polythene
n[U]
type of plastic widely used in the form of flexible, often transparent, sheets for waterproof packaging, insulation, etc 聚乙烯
[attrib 作定语]
a polythene bag, cover 聚乙烯塑料袋、 套.
🗣️ 情景例句
He can really slam it down.
他可真能喝。
I'd appreciate it if you'd wait until be end for questions.