BBC在线收听下载:埃及穆斯林兄弟会支持者与警察发生冲突

短语讲解：

1. The youths are part of an ethnic Nuer militia, known as the White Army, because the white ash they put on their skin to protect them from insects. James Copnall reports from Juba.

protect from 保护， 保卫
例句：The factory has internal security necessary to protect from unauthorized access?
工厂是否有防止未授权进入的必要的内部安全措施？

2. The UN Spokesman told the BBC he couldn't independently confirm the government's claim. However the UN peacekeepers will be carrying out aerial reconnaissance missions and hope that to clear a picture by the end of the weekend.

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。

3. At the time when there was concerted international call for the fighting to stop when new clashes or the rumour of them can have wide-reaching consequences.

call for 去接（某人）; 去取（某物）; 需要; 要求
例句：Chinese companies call for fairer treatment from foreigners.
中国公司要求更公平的对待外国人。

4. Hundreds of armed supporters are said to have rallied outside his house after he was taken away.

take away 剥夺; 拿开
例句：No one can take away your freedom.
没有人能拿走你的自由。