BBC在线收听下载:美国将迎来创纪录的历史低温天气

短语讲解：

1. A security source told the BBC that a militant group linked to al-Qaeda, the Islamic State of Iraq and Syria is controlling the southern part of the western city of Fallujah.

link to 与…连接， 联系
例句：It's a tough link to break.
这是种难以割裂的联系。

2. In that event,he added, ISIS would have no choice but to pull back from the front lines of Aleppo in northern Syria.

pull back （使）（某人，尤指一组士兵）撤出阵地
例句：Sir, I think they're gonna pull back.
长官，我想他们要撤退了。

3. A Saudi national Mr.al-Majid was the leader of an al-Qaeda affiliated group which is said it had carried out a number of bombings across the Middle East.

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. The meeting between the two sides in the Ethiopian capital Addis Ababa came after unexpected delays. Richard Hamilton reports.

come after 跟着…来，跟在…后面
例句：Men's best successes come after their disappointments.
人们往往在失意之后获取大的成功。

5. People will be able to hold protests after all but only if they can get permission from the local authorities from the police and from security officials.

be able to 能，会; 能够
例句：You should be able to converse comfortably.
你应该能够舒服地进行谈话。

6. The authorities in Brazil say criminal gangs have set fire to four buses and attacked a police station in the northern city of Sao Luis.

set fire to 放火烧， 点着了…; 激起; 燃点
例句：She intends to set fire to it and find out what happens.
她计划纵火点燃雨林，然后查明其后果会怎样。

7. At least 11 people died in the north-eastern US in the wake of heavy snow falls.

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