这篇英语作文的意思是什么?

这篇英语作文的意思是什么?
Shanghai World Expo is going to be held in 2010.I would like to apply for a vollenteer to help to do the trail things.As we know,this is one of the big event in China.I think i can improve my oral english after i communicating to the forgeign people who comes to there as well as it will enrich my knowledge that can not be found in the book.I hope i can be one of the members.

上海世博会将在2010年举行 我想申请成为一名志愿者去帮忙做点事情 众所周知 这是中国的一件大事 我认为在我与来这里的外国朋友交流之后能够改善我的英语口语水平并且还能使我获得课本上学不到的知识 我希望我能成为志愿者的一员