My school library has many rules.We mustn't make noise and speak aloud.Especially we mustn't make the book broken.Before we come into the library,we must keep our shoes clean.When we read books,we mustn't trouble others.And we must read at the library.
翻译（可供提问者参考）：我的学校图书馆有许多规则.我们不能制造噪音,大声讲话.特别是我们不能让破碎的书.我们一进库之前,我们必须保持我们的鞋子清洁.当我们读的书时,我们千万不要麻烦别人.我们必须在图书馆阅读.
希望可以采纳