expiration check

基本解释

In general, look for water-resistant, broad-spectrum coverage with an appropriate SPF — at least 15. Check the expiration date, and follow the directions on the label.
总体上，选择防水、适当的防晒系数（至少为15）的广谱防晒霜。记得查看有效期，并且按照标签上的说明来使用。
Each product undergoes another set of individual tests, including a seal check, count check, expiration date check, carton check, label and bottle check, neckband check and lot number check.
每一款产品都要经历另外一套独立的测试，包括一个密封检查、数量检查、产品有效期检查、包装箱检查、标签和瓶子检查、领圈检查和批号检查。
Wherever it says in the meal plans, 1 can of tuna or salmon, you can replace that with either 3 turkey niblets or 1 and a half cups of imitation crab meat (remember to check expiration date).
肉食中，一罐金枪鱼或者鲑鱼，你也可以用三份火鸡玉米或一杯或半杯仿蟹肉代替（注意食品的生产日期）