慢速英语:Obama Appeals for Unity, Warns of Threats to Democracy

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1. insurance n. 保险费; 保险，保险业
例句：The insurance company paid out for the stolen jewellery and silver
保险公司赔付了遭窃的珠宝和银器。

2. democracy n.民主政治; 民主主义; 民主国家
例句：It was democracy in action.
那真是民主制度在发挥作用。

3. achieve vt.实现; 取得; 获得; 成功
例句：It was a worthwhile attempt even though it failed to achieve its aim.
这个尝试即使没有达到目的还是值得的。

4. amend vt.修订; 改良，修改
例句：The president agreed to amend the constitution and allow multi-party elections
总统同意修订宪法，允许多党选举。