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
Things have worked out badly.
情况进展得很不理想。
I often go to school in the morning.
我常常在早上去学校。
There isn't any trouble. I'm just waiting for my change.