BBC在线收听下载:俄罗斯逮捕并指控25名乌克兰人策划恐怖袭击

短语讲解：

1. The Ukrainians have been accused of taking photographs of Russian troop movements and of trying to make contact with the extremist elements in Russia.

make contact with 和…接触，和…通信
例句：Are they able to make contact with people?
他们能够接触的人？

2. They claimed that more than 30 FSB agents have been stationed in Kiev in December and January, and have taken part in planning and implementing measures against anti-government protesters.

take part in 参加…，参与…活动
例句：The community members who take part in the study circles.
参与这项研究会一部分工作的社区成员。

3. Israel has canceled the release of Palestinian prisoners in response to a Palestinian decision to sign off to a number of United Nations' conventions to get international recognition for an independent state.

in response to 对…做出反应
例句：He opened the door in response to a knock. 
他应敲门声而开了门。 
a number of 许多的; 一些
例句：There are a number of techniques.
有一些技术是可以做到的。

4. The Israeli Justice Minister Tzipi Livni told BBC that the agreement to release a new batch of Palestinian prisoners was conditional on the Palestinian obligation not to appeal to the United Nations.

appeal to 诉诸武力; 向…投诉
例句：He decided to appeal to a higher court. 
他决定向上一级法院上诉。 

5. The White House has confirmed the existence of a twitter like social network that was set up in Cuba by a US government aid agency.

set up 建立; 准备
例句：The french government has set up a sovereign-wealth fund.
法国政府设立了一个主权财富基金。