重点讲解：
1. be covered with
用…遮盖；把…铺在…上；
eg. Buildings are covered with warning posters.
建筑物上覆盖着警示海报。
eg. The boy comes to school covered with mosquito bites.
这孩子到校时身上总是布满了被蚊子叮过的痕迹。
2. begin with
以…开始；从…开始；开始于；
eg. We think it necessary to begin with the experiment.
我们认为先做这个实验是必要的。
eg. I advise you to begin with something easy.
我劝你先从容易的事情做起。
3. bring to
带给；介绍；引进；
eg. I know how hard I have and what I can and bring to the team.
我知道我有多么努力，我也知道我可以给球队带来什么。
eg. The proposed pipeline, which has the support of the United States, would bring Caspian or Middle Eastern gas to Europe.
这个管道项目得到美国的支持，把里海或中东地区的天然气送往欧洲。