BBC在线收听下载:马航失踪飞机搜寻工作转到新区域

短语讲解：

1. Police in Egypt are subjecting detainees to electric shocks, beatings and sexual assaults according to detailed testimonies gathered by the BBC.

according to 根据，按照
例句：They expanded according to need.
他们根据实际适时扩大规模。

2. At least 3 people have been killed in clashes between Egyptian security forces and supporters of the banned Muslim Brotherhood.

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

3. So we definitely are taking prudent action to make sure that we have surveillance on the area.

make sure 把事情弄清楚，核实或查明某事物
例句：Make sure you're not getting behind.
要确保自己不会落伍。

4. The Saudis are also suspicious of improved relations between the United States and Iran and worried that growing US energy independence will lead to a disengagement from the region.

lead to （道路）通向; 导致
例句：That can lead to serious consequences.
这会导致严重的后果。

5. It's believed former fighters from the mostly Muslim Seleka movement carried out the attack.

carry out 执行; 进行
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。