vacuum sealer

例句：

1. 1. The vacuum sealer is used to create vacuum-sealed bags for storing food.
   真空封口机用于创建真空密封的袋子来储存食物。
2. 2.The vacuum sealer helps to preserve the freshness of produce by removing air and moisture.
   真空封口机通过去除空气和水分来保持农产品的新鲜度。
3. 3. The vacuum sealer is a useful tool for home chefs who want to make their meals last longer.
   真空封口机是家庭厨师们用来延长食物保质期的一个有用的工具。