low-density polythene

例句：

1. 1. This low-density polythene bag is very durable and can hold a lot of things.
   这个低密度聚乙烯袋非常耐用，可以装很多东西。
2. 2. Low-density polythene bags are commonly used for packaging food and other goods.
   低密度聚乙烯袋常用于包装食品和其他商品。
3. 3. The production of low-density polythene has become an important industry in many countries.
   低密度聚乙烯的生产已成为许多国家的重要产业。