BBC在线收听下载:英国奥运会数千士兵确保安全

1. The United States has imposed sanctions on more Iranian interests because of its concern about Iran's nuclear activities.

concern about 关心；担心
例句：She showed great concern about you. 
她很为你担心。 

2. Washington said it had identified a number of front companies and banks that had allegedly helped Iran evade existing sanctions.

a number of 一些
例句：A number of people have left.
一些人已走了。

3. A UN official said the attack against the M23 rebels took place in the north of the town of Goma close to the border of Rwanda.

take place 发生
例句：Earthquakes take place far underground. 
地震则发生在地球的极深处。 

4. Correspondents say it is rare for the UN force in Congo to go on the offensive.

go on 接着
例句：Are you rested enough to go on? 
你是否歇够了可以接着干了? 

5. More than 100 people have died and dozens of others have been injured after a petro truck crashed in the Delta region of Nigeria.

dozens of 许多
例句：The tornado claimed dozens of lives. 
那场龙卷风夺去了几十条人命。 

6. As I speak to you right now.

right now 刚才
例句：And we will send you a replacement right now. 
我们会马上补寄一批货过去。 

7.  So worried were senior university officials about the bad publicity that Pennsylvania State might be attracted if word ever go out about Mr. Sandusky's behavior that they simply covered it up all for years.

go out 外出
例句：She's gone out for a walk.
她外出散步了。
cover up 掩盖
例句：He had forgotten to have the machine covered up.
他忘了把机器盖起来。

8.  But they later said the gunmen had just taken advantage of the noise and confusion of the street parties to mask the sound of shot and make a get away.

take advantage of 利用
例句：He took advantage of the good weather to go for a walk.
他趁着天气好,出去散散步。