The meat is chemically treated to extend shelf life.

猪肉经过化学处理以延长保存期。

Fresh vegetable need to respirate for optimum shelf life.

新鲜的蔬菜需要呼吸以获得最佳的保质期。

Remember, this site will probably have a short shelf life.

请记住，此站点可能只有很短的存续期。

For taste, pick something with a long shelf life like chocolate.

味觉上，挑一些保存期限长一些的食品如巧克力

And for best shelf life, store all medications in a cool, dry place.

而最佳保质期，储存在阴凉，干燥的地方所有的药物。