VOA慢速英语:Working to Protect Plants for Future Generations

词汇讲解：
1. diversity n. 多样化; 多样性
例句：The exhibition is designed to reflect the diversity of the nation and its regions.
这次展览的本意就是要反映这个国家民族和地域的多样性。

2. starvation n. 挨饿, 饥饿;饿死
例句：After three days without food, the men were close to starvation.
3 天没吃东西，这些人都快饿死了。

3. supply vt. 供给, 供应
例句：The school supplies books for the children.
学校为儿童提供书本。

4. demonstrate vt. 论证, 证明
例句：All of those demonstrated the correctness of his analysis.
这一切都证明了他分析的正确性。

5. discover vt.发现；碰见, 撞见；了解到, 认识到, 发觉
例句：When returning back, he discovered the room to be in disorder.
回家后, 他发现屋子里乱七八糟。

6. assumption n.假定, 臆断
例句：We mistook assumption that the price would fall.
我们错误地认为价格会下降。

7. guarantee vt. 保证; 担保
例句：We guarantee to be here tomorrow.
我们保证明天来。

8. preserve v. 保护；维持
例句：We must preserve our natural resources.
我们必须保护自然资源。

9. sight n. 情景, 景象， 看见（或看得见）的事物
例句：The view burst upon our sight.
那景象突然出现在我们眼前。

10. donate v. 捐赠, 赠送
例句：They used to donate large sum of money to the Red Cross every year.
他们过去每年都向红十字会捐献大笔的钱。