1 sentence

1. 这种包装袋可以延长食物的保鲜时间。

   zhè zhǒng bāo​zhuāng​dài kě​yǐ yán​cháng shí​wù de bǎo​xiān shí​jiān.

   This type of packaging can extend the shelf life of food.

   Source: Dong Chinese Dictionary