VOA常速英语:Climate Change Threatens World Food Production

词汇讲解：

1. rainfall n. 下雨，降雨；雨量
例句：Rainfall has been above normal this July.
今年7月份降雨量高于正常。

2. threaten v. 危及；对…构成威胁
例句：Nuclear proliferation threaten world peace.
核子扩散威胁世界和平。

3. affect vt. 影响
例句：This article will affect my thinking .
这篇文章将影响我思考。

4. livelihood n. 生计,谋生之道
例句：Appropriate arrangements will be made for their work and livelihood.
他们的工作和生活会得到妥善安排。

5. sensitivity n. 敏感;敏感度
例句：Such is the sensitivity of the information that only two people are allowed to know it.
这信息极为敏感, 只允许两个人知道。

6. capacity n. 容量, 容积
例句：The theater has a seating capacity of 800.
这个剧场可容纳八百名观众。

7. stunt vt. 阻碍…发育〔生长〕, 抑制, 妨碍
例句：Lack of the right food may stunt growth.
缺乏适当的食物会阻碍发育。

8. vulnerable adj. 易受伤的, 脆弱的, 敏感的
例句：He volunteered to protect her as she looked so vulnerable.
她看上去很脆弱, 他就主动去保护她。

9. shorten v. 弄短, 缩短
例句：She shortened the skirt by an inch.
她把裙子缩短了一英寸。

10. include vt. 包括, 包含
例句：Their course of study includes elementary hygiene and medical theory.
他们的课程包括基础卫生学和医疗知识。

11. criteria n. 标准，准则，尺度
例句：What criteria do you use when judging the quality of a student's work? 
你用什么标准来衡量学生的学业? 

12. outreach v. 到达顶端,超越
例句：Love is the outreach of self toward completion.
爱情是自我走向完善的延伸。