polyethylene

.pɒli'eθili:n

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

n. 聚乙烯
[化] 聚乙烯

17,557

BNC 频率

19,514

使用频率

polyethylene 由前缀 poly-（表示“多个”或“多重”）和词根 ethylene（一种化学物质）组成。可以理解为“多种乙烯的聚合物”。

例句

1. Polyethylene is commonly used to make plastic bags.

聚乙烯通常用于制作塑料袋。

2. Many toys are made from polyethylene because it is durable.

许多玩具是用聚乙烯制作的，因为它耐用。

3. The packaging industry relies heavily on polyethylene for its products.

包装行业在其产品中大量依赖聚乙烯。