求翻译：我用两个小时的时间做了三张试卷，然后把自己的脏衣服洗掉。再把房间打扫干净，随后把笔记本等一些学习的书籍准备好放进书包，迎接下午的课程!下午有两节英语课，老师帮我们复习了初一上册的语句用法 。通过这次的学习，我知道了许多我不了解的东西。是什么意思？

I spent two hours doing three papers, and then wash your dirty clothes. Then clean it, then some books ready notebook bag, meeting the course of this afternoon! two English classes in the afternoon, teachers help us review the statement of the first books on usage. Through this study, I know a lot of things that I do not understand.