BBC在线收听下载:奥巴马称俄罗斯要为乌克兰东部的暴力负责

1. President Obama has said Russia is responsible for the violence in eastern Ukraine.

be responsible for 为…负责，形成…的原因; 主管
例句：You'll be responsible for anything wrong. 
出了事唯你是问。 

2. This comes as Ukrainian forces are making progress against the separatists. 
 
make progress 前进，进步
例句：What impedes you to make progress?
什么事妨碍你取得进步？

3. And as a result of the actions Russia has already taken and the major sanctions we've imposed with our European and international partners, Russia is already more isolated than at any time since the end of the Cold War.

as a result of 由于…的结果; 起因
例句：Many facts emerged as a result of the investigation. 
调查结果,许多事实暴露出来。 

4. But that, say his critics, is what he no longer upholds.

no longer 不再，已不
例句：This is no longer a dream!
这已经不再是梦想！

5. He said more than 70 people have been bitten by monkeys this year.

more than 不只是; 很; 超过;
例句：Rob likes apples more than bananas. 
罗勃对苹果比对香蕉还喜欢。