adj.封口的；密封的
动词seal的过去式和过去分词.
The fourth was sealed, in Myra's writing. 第四封是封口的，上面是迈拉的笔迹。
The tube is sealed at both ends. 这管子两端是密封的。
Keep cinnamon in a sealed container stored in a dry, dark place. 保留肉桂在一个被密封的容器并且存放在一个乾燥，黑暗的地方。
adj.未密封的
unseal.
vt.开封
