BBC在线收听下载:奥巴马历史性访问古巴

短语讲解：

1. Military tensions have been rising on the Korean Peninsula since the North carried out its fourth nuclear test in January.

carry out 进行; 执行; 完成; 抬出去
例句：No matter what we do, we must carry out our duties.
无论干什么工作,我们都应履行自己的职责。

2. European Union leaders in Brussel have agreed a common position to present to Turkey in return for Turkish help in easing the refugee crisis. 
 
in return for 作为…的回报
例句：I bought him a drink in return for his help.
我请他喝酒以酬谢他的帮助。

3. The announcement could have a significant impact on Cuban families who receive regular payments from the United States.

impact on 对…冲击，碰撞，影响
例句：There will be a bigger impact on America than the civil war.
对美国将有一个比内战还要大的冲击。

4. And Havana's decision to scrap it shows a new willingness to work with Washington on issues of mutual interest.

work with 与…在一起干; 从事…工作
例句：His secretaries work with system.
他的几位秘书工作有条不紊。