BBC在线收听下载:美洲峰会的“无言”结局

1. force vt. 强迫,迫使
例句：The policemen forced the criminals to give up their arms.
警察迫使罪犯放下武器。

2. explain vt. 解释;说明
例句：He explained that he had been cheated.
他解释说他是上当受骗了。

3. observe vt. 看到,注意到
例句：He observed a stranger hanging around the store.
他看到一个陌生人在商店附近闲逛。

4. opportunity n. 机会;良机
例句：Soon he had an opportunity of explaining that to her.
不久他便有了向她解释那件事的机会。

5. attempt vt. 试图;企图
例句：They attempted to finish the task before July.
他们试图在七月以前完成这项任务。

6. appoint vt. 任命,指派
例句：They appointed him (to be) manager.
他们任命他为经理。

7. declaration n.  宣布,宣告
例句：His attempt to sweep away all preconceptions and prejudiceswas a clear declaration of revolt from the past .
他企图清除一切先入之见和偏见，这明确宣告了他对过去的反叛。

8. negative vt. 否定;否认
例句：Father negatived our plan.
父亲否定了我们的计划。

9. appeal vi. 呼吁,恳求
例句：He appealed to me for help.
他向我求援。

10. expand vt. 展开,张开
例句：The eagle expanded its wings.
老鹰展开翅膀。