VOA慢速英语:Making Power From Coconut Shells, Mango Pits

2. waste n. 废料, 废弃物
例句：The river was thick with industrial waste.
这条河里淤积了工业废物。

3. remain n. 剩余物; 残余
例句：The remains of the meal were[was]fed to the dog.
剩饭喂狗了。

4. detrimental adj. 有害的, 不利的
例句：Poor eating habits are detrimental to health.
不良的饮食习惯对健康有害。

5. plentiful adj. 丰富的, 大量的
例句：Their family has a plentiful harvest this year.
他们家今年又丰收了。

6. moderate adj. 中等的, 适度的, 不很大的
例句：The hotel is moderate in its charges.
这家旅店收费适当。

7. release vt. 释放; 放开
例句：He released me from my torments.
他解除了我的痛苦。

8. potential n. 可能性;潜力,潜能
例句：She has acting potential, but she needs training.
她有表演潜力,但需要训练。

9. alleviate vt.减轻, 缓解, 缓和
例句：The doctor gave her an injection to alleviate the pain.
医生给她注射以减轻疼痛。

10. benefit v. 有益于, 得益
例句：The bank suffers while its officers benefit.
银行遭受损失, 而它的高级职员们却得到好处。