BBC在线收听下载:美国首次承认“51区”真实存在

短语讲解：

1. Security officials say at least 60 people have been killed across Egypt as supporters of the Muslim Brotherhood clashed with security forces.

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

2. Elsewhere protests have been taking place to show sympathy for the people who’ve died in Egypt.

take place 发生
例句：Where does it take place?
这个场景发生在哪里？

3. Hassan Nasrallah said all the signs were that the deadly explosion was carried out by the same extremist Sunni groups that he said were responsible for a string of earlier attacks on areas where Hezbollah holds sway.

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。

4. He said there was no specific target for the bomb, which involved more than 100 kilos of TNT.

more than 不止
例句：More than 100 people were wounded.
爆炸还造成100多人受伤。

5. The aim, he said, was to cause the heaviest possible casualties among the people in order to provoke a reaction that could plunge the country into civil war.
 
in order to 为了
例句：In order to focus effectively, reverse the order.
为了有效地专注，将工作顺序反过来。

6. He becomes only the second man ever to win what’s known as the double-double, both long-distance titles at the Olympics and the World Championships, matching the achievement of the Ethiopian Kenenisa Bekele.

be known as v.被认为是；号称
例句：Work in this new vein has come to be known as experimental philosophy.
这种形式的研究被称为实验哲学。