正文

VOA慢速英语:Global Warming, Population Growth and Unrestricted Development Threaten African Species

2014-09-02来源:VOA

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词汇讲解：

1. expect vt.期望; 预料
例句：So you would expect fewer losses.
因此，你会预期损失减少。

2. represent vt.表现，象征
例句：Now that would represent real progress.
这将代表真正的进步。

3. threaten vt. 预示（某事）; 恐吓; 危及; 预示凶兆
例句：This might threaten economic recovery.
这些措施可能会威胁经济复苏。

4. develop vi.发展; 生长
例句：Develop creative imagination through visualization.
发展创造性想象力要通过设想。

5. change vt.改变，变更
例句：You can't change the past.
没人能改变过去。

6. preserve vt.保护; 保持
例句：Who could want to preserve that?
谁会想要维持这种局面？

7. economic adj.经济的; 经济学的
例句：This isn't just economic theory.
它不仅仅涉及到经济政策。