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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、vulnerable
脆弱的;易受伤害的
Old people are particularly vulnerable members of our society.
老年人是社会中尤为明显的弱势群体。
易感染（某种疾病）的；易患病的
People with high blood pressure are especially vulnerable to diabetes.
有高血压的人尤其易患糖尿病。
Plants that are growing vigorously are less likely to be vulnerable to disease.
生命力强的植物不容易得病。
易受伤害的;易受影响的
Their tanks would be vulnerable to attack from the air.
他们的坦克易受到空袭。
a table showing which cars are most vulnerable to theft.
易被盗车辆一览表
