1、permanent

永久的；永恒的

Heavy drinking can cause permanent damage to the brain.

酗酒能造成永久性大脑损伤。

a permanent solution to the problem.

该问题一劳永逸的解决办法

（尤指问题或困难）不断出现的，一直存在的

a permanent state of tension.

长久以来的紧张局势

They feel under permanent threat.

他们觉得一直处于威胁之下。

（家庭住址）固定的

York Cottage was as near to a permanent home as the children knew.

在孩子们眼中,约克小屋最像一个安定的家。

They had no permanent address.

他们没有固定居所。

2、permission

准许；许可；批准

He asked permission to leave the room.

他请求准许离开房间。

Finally his mother relented and gave permission for her youngest son to marry.

最后他母亲让步了,准许她的小儿子结婚。

许可证；书面许可

oil exploration permissions.

石油勘探许可证