VOA常速英语:Chavez Health Uncertain for Upcoming Venezuelan Presidential Election

2. diagnose vt.诊断
例句：The doctor diagnosed my illness as a rare skin disease.
医生诊断我的病为罕见的皮肤病。

3. factor n. 因素, 要素
例句：Industry and modesty are the chief factors of his success.
勤奋和谦虚是他成功的主要因素。

4. mismanage vt.对…管理不善,对…经营不当
例句：The prison service has been badly mismanaged in recent years.
近年来，监狱部门的管理极为不善。

5. devastate vt.毁坏;使荒芜；在感情上(精神上、财务上等)压垮
例句：A storm devastated the island.
一场暴风雨使这个岛遭到彻底破坏。

6. boost vt. 促进，推进；支援，支持；增强；提高，提升；激励；改善
例句：Lower interest rates can boost the economy by reducing borrowing costs for consumers and businesses.
低利率可以通过为消费者和商家降低借贷成本来促进经济发展。

7. undergo vt.经历, 承受
例句：This new plane is undergoing safety tests.
这架新型飞机正在接受安全试验。

8. disclose vt.说出, 表明；揭露, 揭开
例句：She disclosed a secret.
她揭露了一个秘密。

9. mortality n. 死亡数;死亡率; 必死性
例句：The mortality from lung cancer is increasing.
肺癌死亡人数在增多。

10. relinquish vt. 交出, 让给; （尤指不情愿地）放弃
例句：He was forced to relinquish control of the company.
他被迫放弃公司的掌控权。