书读完后请准时归还给图书馆的翻译：After reading the book on time returned to the library 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

After your time at school to return to the Library

After reading the book on time returned to the library

After the book reads off please the punctual restore to give the library

After reading his book return to kindly given to the library

After reading the book on time returned to the library