重点讲解:
1. a number of 一些;许多
I have a number of things to do today.
我今天有许多事情要做
。2. break up 打碎;破碎;驱散
Police used tear gas to break up a demonstration.
警察使用了催泪瓦斯来驱散示威活动
。3. no longer 不再
My solicitor is no longer in practice.
我的律师已不再执业了
。4. In addition to 除了...之外
In addition to headaches, you may develop stomach ulcers as well.
除了头痛,你还可能患上胃溃疡
。