柯林斯詞典shelf life (shelf lives) 1. N-COUNT The shelf life of a product, especially food, is the length of time that it can be kept in a shop or at home before it becomes too old to sell or use. 保存期[usu sing] The meat is chemically treated to extend shelf life. 豬肉經(jīng)過化學(xué)処理以延長保存期。 返回 shelf life劍橋詞典the length of time that a product , especially food , can be kept in a shop before it becomes too old to be sold or used (尤指食品的)貨架期,保質(zhì)期 Fresh fruit has a very short shelf life . 新鮮水果的保質(zhì)期很短。 the length of time that something remains useful , popular , or successful 可以使用(受歡迎或成功)的時限 These days many marriages have a fairly short shelf life (= don't last very long ). 這個時代,許多婚姻都無法持久。 返回 shelf life