正文

VOA慢速英语:WWF: Global Wildlife Populations Down by Half Since 1970

2014-11-04来源:VOA

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词汇讲解：

1. release vt.释放; 放开
例句：The whole release process is different.
整个发布的过程也不一样。

2. convert vt.（使）转变; 使皈依
例句：Solar cells convert sunlight to electricity.
太阳能电池将太阳光能转化为电能。

3. unsustainable adj.不能证实的，不能成立的
例句：This column has argued that the current system is unsustainable.
这个专栏文章说现在的制度是无法维持的。

4. extinction n.熄灭; 消灭
例句：The species is currently in danger of extinction.
这个物种目前正面临灭绝的危险。

5. dimension n.尺寸; [复]面积，范围; [物]量纲
例句：A third dimension has been recently added, that of service.
最近又提出了第三方面的需求，即服务的需要。

6. restore vt.归还; 交还; 使恢复
例句：The army was called in to restore law and order to the place.
军队被召来恢复该地治安。