Dear classmates
I am Helen, lost an English dictionary in the school library in the afternoon. If you have seen, please help me to keep, or to the librarian.
The following is my contact information
尊敬的同学
本人helen，下午在学校图书馆丢了一本英语词典。如果有看到请帮我保管，或者交给图书管理员。
以下是我的联系方式