Definition: If food or drink keeps, it remains fresh. Level: B2
一旦打开，这个产品如果冷藏可以保存三天。
Once opened, this product will ___keep for three days if refrigerated.
新鲜牛奶不冷藏保存不了多久。
Fresh milk doesn't ___keep long without refrigeration.
这种奶酪在阴凉干燥的地方保存得很好。
This cheese ___keeps well in a cool, dry place.
