BBC在线收听下载:里约热内卢庆祝建市450周年

短语讲解：

1. We have a closer relationship with Israel right now in term of security than at any time in history.

in term of 依据，按照; 在…方面
例句：In term of law, they are equally authentic . 
就法律条款而言，它们具有同等的效力。 

2. The Argentine president Christina Fernandez de Kirchner has defended her economic policies while making her last speech to congress before she steps down as president later this year.

step down 退休，辞职
例句：I'm not ready to step down yet. 
我还不准备辞职。 

3. She’s recently been criticized in relation to the death of the state prosecutor Albert Nisman who‘d accused her of covering up Iran's alleged involvement in the 1994 bombing of a Jewish center in Buenos Aires.

in relation to 与…有关
例句：Particulars considered individually and in relation to a whole 
独立考虑并与整体信息相关的细节. 

4. Reports say at least 19 Christians taken captured by Islamic state group in Syria have been released.

at least 至少
例句：In fact it requires at least n generators. 
事实上，它至少要有n个元素。 

5. One of its leading members known as J-1 had ties to a man jailed for trying to blow up a train in London in July 2005.

blow up （使）爆炸; 产生
例句：He tried to blow up a fire. The fire died out, instead. 
他试图把火吹旺,谁知火却熄了。 

6. The mayor of Rio de Janeiro is Eduardo Paes, “I think the Rio de Janeiro is a city with a great deal of history, this is a city that both given a lot to this country and received a lot.

a great deal of 大量的; 许多
例句：A great deal of the talk was about oil. 
谈话大多集中在石油问题上。