VOA常速英语:Saving Lives, Saving Money With Childhood Vaccines

词汇讲解：

1. underway adj. 在进行中的
例句：Road and bridge construction is underway.
公路和桥梁正在建设中。

2. vaccine n. 疫苗;痘苗
例句：Scientists are working to develop a vaccine.
科学家正在努力研发疫苗。

3. vaccinate vt. 给…接种疫苗
例句：Were you vaccinated against smallpox as a child?
你小时候打过天花疫苗吗？

4. obvious adj. 明显的; 显而易见的
例句：It is obvious that he is wrong.
显然他错了。

5. generate vt. 引起, 导致
例句：This book will continue to generate excitement for a long time.
这本书将在很长一段时间里继续使人们为之激动。

6. promote vt. 促进; 推动; 增进
例句：The organization works to promote the trade between nations.
该组织旨在促进各国之间的贸易。

7. substantial adj. 大量的, 可观的
例句：The country bought a substantial number of weapons.
这个国家购买了大量武器。

8. pledge n. 保证; 誓言；誓约
例句：The government should fulfil its pledge.
政府应该履行其诺言。

9. modest adj. 适中的, 适度的
例句：The price is very modest.
价格是适中的。

10. regarding prep. 关于
例句：Regarding the punishment, what would you advise?
关于处罚, 你有何意见?