BBC news 2015-12-06 加文本

短语讲解：

1. Britain is safer tonight because of the decision thatthe House of Commons has taken.

because of 因为，由于
例句：It arises because of the horizontal divergence.
它是由于水平辐散而出现的。

2. Police in California say at least 14 people have been killedin a mass shooting.

at least 至少
例句：In fact it requires at least n generators.
事实上，它至少要有n个元素。

3. They were both armed with the sort of rifles, they were both armedwith hand guns, we have taken a very cautious approach to dealing with thevehicles in case there is more explosives there.

deal with 处理，对付
例句：He had no capability to deal with the matter.
他没有能力处理那件事。

4. If nothing has been found by the middle of nextyear, the search is likely to be called off.

call off 取消; 点名
例句：They decided to call off workouts.
他们决定停止罢工。

5. A report by the UN atomic watchdog the IAEA has reviewed thatIran was carrying out activities relevant to developing nuclear weapons untillat least the end of 2003.

carry out 进行; 执行; 完成
例句：No matter what we do, we must carry out our duties.
无论干什么工作,我们都应履行自己的职责。