shelf-life

例句：

1. 1. The product has a shelf life of two years.
   该产品的保质期为两年。
2. 2.Shelf life is an important factor in determining the quality of food.
   货架寿命是决定食品质量的重要因素。
3. 3. The shelf life of the medicine was reduced due to improper storage.
   由于储存不当，药品的货架寿命被缩短了。