VOA常速英语:Experts Stress Use of Vaccines in Controlling Chronic Disease

词汇讲解：

1. infectious adj. 传染的, 有传染性的
例句：Influenza is an infectious disease.
流感是一种传染病。

2. immunize vt. 使某人免疫
例句：Everyone who is going abroad will need to be immunized against typhoid.
准备出国者均需注射伤寒预防针。

3. 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。

4. vaccine n.疫苗;痘苗
例句：She takes a vaccine against influenza every fall.
她每年秋季接种流感疫苗。

5. bacteria n.细菌
例句：All bacteria are larger than viruses.
所有细菌都比病菌大。

6. access n. 接近[取得]…的方法[权利等]
例句：You can easily get access to her.
你很容易接近她。

7. eliminate vt.消除, 排除
例句：Our goal is to eliminate poverty.
我们的目标是消灭贫困。

8. 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？

9. numerous adj. 很多的, 许多的
例句：There are numerous people in the square.
有许多人在广场上。

10. debunk vt.揭穿真相, 暴露
例句：Some advertising slogans should be debunked.
某些夸大的广告用语应予揭露。