奥巴马欢迎中国的和平崛起

2. maintain vt. 保持；保存；维持
例句：The two countries have maintained friendly relations for many years.
两国多年来一直保持着友好的关系。

3. purpose n. 目的,意图
例句：What is the purpose of his visit?
他来访的目的是什么?

4. response n. 回答; 回音; 答复
例句：She has received a response from that college to her application.
她已经收到那所大学对她申请的答复。

5. emphasize vt.强调
例句：My boss emphasized that everyone should come on time.
我的老板强调指出每个人都该准时到。

6. prosperous adj. 成功的, 繁荣的, 兴旺的
例句：After their misfortunes the family slowly became prosperous.
灾难过后, 他们家又慢慢地兴盛起来。

7. establish vt. 建立, 成立
例句：We have established diplomatic relations with many countries.
我们已和许多国家建立了外交关系。

8. affair n. 发生的事情; 大事; 事件
例句：The exhibition will be a big affair.
这次展出将是一个盛举。

9. ease v. 减轻;缓和;放松
例句：The relationship between these two countries has eased.
两国之间的关系有所缓和。

10. safeguard vt.保护; 保卫; 防护
例句：Their political rights must be safeguarded.
他们的政治利益必须得到保证。