2015年8月4日
抄书（UVa714）
摘要： DescriptionBefore the invention of book-printing, it was very hard to make a copy of a book. All the contents had to be re-written by hand by so calle... 阅读全文
posted @ 2015-08-04 20:41 果冻0_0 阅读(406) 评论(0) 推荐(0) 编辑