VOA常速英语:Poverty Source of Tropical Infections in Texas, Gulf of Mexico

2. impoverish vt. 使贫穷;使赤贫
例句：Her family was impoverished by a fire.
她的家庭被一场火弄得一贫如洗。

3. transmit vt.传播, 传染；传导
例句：Rats transmit disease.
老鼠传播疾病。

4. infection n. 传染;侵染
例句：Are you sure there is no danger of infection now?
你敢不敢肯定现在已经没有传染的危险了?

5. overlook vt. 看漏;忽略
例句：My calculation was wrong because I overlooked one tiny point.
由于我忽略了一个细微之处,我的计算错了。

6. extent n. 程度;限度;范围
例句：To a certain extent, I am responsible for the delay.
在一定程度上,我对拖延负有责任。

7. debilitate vt. 使(人或人的身体)非常虚弱
例句：The siege of pneumonia debilitated him completely.
肺炎的长期折磨，使他变得很虚弱。

8. induce vt. 引起;导致
例句：Her illness was induced by overwork.
她的病是由工作过度引起的。

9. response n. 反应,响应
例句：She laughed in response to his jokes.
她听了他的笑话大笑。

10. recommend vt. 推荐,介绍
例句：Can you recommend me some new books on this subject?
你能推荐一些有关这个学科的新书给我吗?