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
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师,母亲是一名医生。
Our guarantee covers maintenance for both parts and labor.