VOA常速英语:Study: Stop-Smoking Aid Ups Cardiovascular Risks

词汇讲解：

1. kick vt. 戒绝(恶习)
例句：She decided to kick heroin.
她决心不再服用海洛因了。

2. clinical adj. 临床的
例句：They are doing clinical trials on a new drug.
他们正在做一种新药物的临床试验。

3. evaluate vt. 评价, 估计, 估价
例句：I can't evaluate his ability without seeing his work.
我没有看到他的工作情况, 无法评论他的能力。

4. participant n. 参加者， 参与者
例句：She is an active participant in this activity.
她积极参与这项活动。

5. approve v. 批准, 通过
例句：The minister approved the building plan.
部长批准了该建筑计划。

6. distressing adj. 使人痛苦的，令人苦恼的
例句：All who saw the distressing scene revolted against it.
所有看到这种悲惨景象的人都对此感到难过。

7. quit vt. 停止
例句：My father has quit smoking.
我父亲已戒烟了。

8. recognize vt. 承认[认清](某事物); 认识到
例句：He recognized that he was not qualified for a teacher.
他认识到自己没有资格担任教师。

9. profile n. 传略；简况；人物简介
例句：The newspaper publishes a profile of a leading sportsman every week.
该报每周刊登一篇关于一名优秀运动员的简介。

10. suicidal adj. 自杀的; 有自杀倾向的
例句：He became very depressed and even got suicidal at one point.
他变得十分消沉，甚至一度想自杀。

11. eager adj. 热切的, 渴望的，渴求的
例句：I am eager to learn how to ride a bicycle.
我急于想学会骑自行车。

12. detect vt. 发现; 发觉, 查明
例句：We could detect no triumph in his eye.
在他的眼中我们看不到洋洋得意的神色。