BBC在线收听下载:肯尼亚内罗毕商场遭遇恐怖袭击

短语讲解：

1. Security officials in Kenya say government troops are continuing to search for suspected Islamist gunmen who carried out a deadly attack on the up-market Westgate shopping mall in the capital Nairobi.

search for 搜索，搜寻
例句：The unemployed will search for jobs online.
失业者可以在网上寻找工作。
carry out 执行
例句：They should also carry out some fundamental reforms.
这些政府也应该执行一些基础性的改革。

2. Officials at the Iraqi Interior Ministry say at least 56 people were killed and more than 120 others injured by a car bomb in the predominately Shiah Sadr City east of the capital Baghdad.

at least 至少
例句：Read at least 30 books.
至少读30本书。

3. In a deal hammered out between the US and Russia, the Assad government had faced a deadline later today to make a full disclosure of its chemical weapons.

hammer out 锤平； 锤成；阐明
例句：Marot conceded that any clause in record label contracts would take time to hammer out.
马罗特承认，唱片公司的合同中任何一项条款都需要时间来敲定。

4. Mediators and political parties have been discussing opposition concerns about the preparations for the poll which have been marked by violent protests.

concern about 使（自己）关心…
例句：There are good grounds for concern about the future.
我们有充足的理由对未来感到担忧。