VOA常速英语:Durban Climate Conference Drags On With Few Signs of Progress

词汇讲解：

1. overtime n. 超出的时间;额外的时间
例句：He was paid for the overtime he worked.
他领到了加班费。

2. proposal n.提议; 建议；求婚
例句：They presented concrete proposals for improvement.
他们提出了具体的改进建议。

3. adopt vt. 正式接受, 通过
例句：The meeting adopted a resolution.
会议通过了一项议案。

4. commitment n. 承诺, 许诺, 保证
例句：He made a commitment to pay the rent on time.
他保证按时付房租。

5. insufficient adj. 不足的,不够的
例句：He was tired because he had had insufficient sleep.
他很疲倦,因为他未睡足。

6. launch vt. 开办;发起;使开始从事
例句：We launched a new project.
我们开始从事一个新项目。

7. gap n. 不足, 缺陷; 差距，分歧，隔阂; 缺口, 裂口
例句：The gap between the rich and the poor has widened.
贫富之间的差距扩大了。

8. irreversible adj. 不可更改的;不可挽回的,不可反转的
例句：Technology has had an irreversible impact on society.
技术已对社会产生不可逆转的影响。

9. access n. 接近,进入;接近的机会,进入的权利;使用
例句：Students must have access to good books.
学生应该读得到好书。

10. suggest vt.建议, 提议；暗示；使想起; 表明，意思是
例句：His attitude suggests that he isn't really interested.
他的态度表明他并不真的感兴趣。