BBC在线收听下载:英国议会大厦发生恐袭事件

短语讲解：

1.Police in Britain say four people have been killed and at least twenty others injured in a terrorist attack outside the Houses of Parliament in London.

at least 至少
例句：He's been away for at least a week.
他走了总有一个星期吧。

2. Three French school children were among those injured on the Bridge, as well as three police officers and a woman who was pulled alive from the River Thames.

as well as 也，又
例句：They visited some factories, hospitals as well as the school.
他们参观了这所学校，还参观了工厂和医院。