货架寿命

例句：

1. 1. The shelf life of the product is only a few months.
   该产品的货架寿命只有几个月。
2. 2. The shelf life of the food has been extended by using preservatives.
   通过使用防腐剂，食品的货架寿命得到了延长。
3. 3. The shelf life of the medicine was reduced due to the ineffectiveness of the drug.
   由于药物无效，药品的货架寿命被缩短了。