英语语法分析

As an additional safeguard against weeds you can always use an underlay of heavy duty polyethylene.

作为另外一种预防杂草的防护措施，你可以一直使用一层厚重耐磨的聚乙烯底垫。

《柯林斯英汉双解大词典》

Polyethylene (PE) model of spin one-time molding process autopoietic.

聚乙烯（PE）旋塑成工艺一次性模式成型。

Polyethylene is also easy-to-clean and stain resistant.

聚乙烯容易清洗且耐脏。