VOA慢速英语:Peace Corps at 50: Same Mission of Aid, Just Smaller

2. anniversary n. 周年纪念日
例句：They celebrate their wedding anniversary annually.
他们每年庆祝一番结婚纪念日。

3. establish v. 建立，设立
例句：Our university was established in 2000.
我们的大学建于2000年。

4. impress vt. 给...极深的印象;使感动
例句：I was very impressed by his story.
他的故事深深打动了我。
使铭记,铭刻[O][(+on/upon)]
例句：Our teacher impressed us with the importance of industry and economy.
老师要我们牢牢记住勤奋节俭的重要性。

5. promote vt. 促进，推动
例句：The policy will promote rather than hinder reform.
这项政策将促进而不是妨碍改革。

6. average adj. 平均的
例句：The average age of the boys in this class is fifteen.
这个班级中男生的平均年龄为十五岁。

7. sustainable adj. 合理利用的，可持续的
例句：State Report on Sustainable Development Published.
中国发布可持续发展国家报告。

8. impact n. 影响，作用
例句：It' s difficult to assess the impact of the President' s speech.
总统讲话的巨大影响很难估计。

9. embrace v. 拥抱
例句：I should dearly love to embrace my former friends at this moment.
此时此刻，我多么渴望拥抱我往日的朋友们。

10. priority n. 重点，优先考虑的事
例句：Financial controls were given to priority.
他们把财务管理当成头等大事。

11 qualm n. 不安，疑虑
例句：was leaving without a qualm, without a single backwood glance.
我走得于心无愧，义无反顾。