(单词翻译:单击)
听力文本
The worst predictions of sea-level rise show that by the year 2100, there will be over 13 million Americans who have to leave their homes due to climate change.
关于海平面上升最坏的预测显示，到2100年将有超过1300万美国人不得不因气候变化离开他们的家园。
Hundreds of U.S. counties would be permanently flooded, new research shows.
新的研究显示，数百个美国县市将被永久性地淹没。
Florida would be one of the most vulnerable states, with Miami-Dade county making up about 2 million refugees.
佛罗里达州是最易受到影响的州之一，迈阿密-戴德县有200万的难民。
The researchers compared the resulting population migration to the mass movement of African Americans northward at the end of the Civil War.
研究者们比较随之而来的人口迁移与内战结束后非裔美国人向北大规模移动。
Previous studies did not show such large numbers of evacuees, but lately, coastal areas have had some of the most rapid population growth in the country, meaning more people would have to be eventually relocated.
以前的研究并没有显示如此大量的撤离，但最近，沿海地区出现国家最迅速的人口增长，意味着将有更多的人最终要迁徙。
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词汇解析
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
