VOA慢速英语:The World at 7 Billion, and Growing

词汇讲解：

1. estimate v. 估计; 评价, 评估
例句：The gardener estimated that it would take him four hours to weed the garden.
园丁估计他给花园除草需要四个小时。

2. fertility n. 繁殖力
例句：She was unable to conceive a child naturally and was offered fertility treatment.
她因不能自然怀孕而接受受孕治疗。

3. shortage n.不足; 缺少; 缺少量; 不足额
例句：There is a shortage of salt in this country.
这个国家缺少盐。

4. predict v. 预言; 预测; 预示
例句：I predicted their getting into trouble.
我料到他们会倒霉。

5. dividend n. 红利, 股息
例句：What dividend did you receive?
你得到多少红利?

6. quality n. 质, 质量
例句：These are leather goods of high quality.
这些是高质量的皮革制品。

7. remain vi. 保持；继续；仍然处于；依然
例句：I haven't seen them for ten years. They remain as they were.
我十年没见他们了，他们还是从前那样。

8. 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。

9. crowded adj. 人（太）多的；拥挤的
例句：Eighty people died when bombs rained down on the city’s crowded streets.
炸弹在城市拥挤的街道上雨点般落下，造成80人死亡。

10. access n. 通道, 入口；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。