The term " bookworm " was often used to describe people who loved reading books, especially novels or science fiction. The origin of this word can be traced back to the 19th century, when people used the word "bookworm" to describe those who liked eating bread very much. As time passed, the term " bookworm " gradually evolved to describe those who were fascinated by books. Especially those who read all kinds of books, whether it was novels, history, philosophy, or other fields, could become bookworms. Therefore, the term " bookworm " was often used to describe people who were interested and passionate about books. They usually spent a lot of time and energy reading all kinds of books to gain knowledge and enlightenment.