sealed

a. 封口的,密封的

The radioactive waste should be buried deeply under the ground in sealed box.

这些放射性废物应该放在密封的箱子里深埋在地下。

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

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