封袋 的中文句子和英文句子

论文从封袋里掉出来了，把它们放回原处。

The papers are falling out of the envelop, push them back.


塑胶封袋用来装冰冻或蒸干食物的密封的塑料或箔制容器

A sealed plastic or foil container used in packaging frozen or dehydrated food.