shelf-life

n (usu sing 通常作单数) time for which a stored item remains usable 贮藏寿命（物品的保存期限）: packets of biscuits with a shelf-life of two or three weeks 保存期为二至三星期的袋装饼乾.

sheep, sheep-dip, sheep-dog, sheep-fold, sheepish, sheepishly, sheepishness, sheepskin, sheer, sheet, sheet lightning, sheet music, sheeting, sheikh (also sheik), sheikhdom (also sheikdom), sheila, shekel, sheldrake, shelduck, shelf, shelf-mark, shell, shell bean, shell-shock, shell-shocked, shellac, shellacking, shellfish, shelter, sheltered, shelve, shelves, shelving, shemozzle, shenanigans, shepherd, shepherd's pie (also cottage pie), shepherdess, Sheraton, sherbet,