求翻译：在2011年10月20日至11月20日期间，我们学校举行了首届图书漂流活动。活动规则丰富多样，主要有在图书馆设“漂流”书架，读者看到中意的书，可以随意取阅，阅读完后，填写书里的“漂流”卡，以及最后的将书放回“漂流”书架，继续“放漂”等。这次活动意义在于传播知识，培养友爱和共赏意识。是什么意思？

In the October 20, 2011 to November 20 period, we held the first school books rafting. Rules on variety, mainly located in the library, "drifting" shelves, readers see the favorite books, free access to, after reading, fill in the book of "drifting" card, and finally the book back into the "drift "b

In October 20, 2011 to November 20, during our school held their first book drifting activities. Rules are rich and varied activities, mainly located in the library, readers see 'drifting' choice to the book shelves, and can be accessed at random, after reading the book, and fill in the "drifting" c

From October 20, 2011 to November 20 period, our school has held the first session books drift activity.The active rule is bountiful, mainly has in the library supposes “the drift” the bookshelf, the reader saw the pleasing book, may take at will reads, after reads, in the filling in book “the drift

During the October 20, 2011, our school held its first book drifting events. Rules a variety of activities, mainly located in the library "drifting" Bookshelf, readers see favorite books, you can have it available, after reading out, fill in the book's "drifting" card, and finally putting the book b

In the October 20, 2011 to November 20 period, we held the first school books rafting. Rules on variety, mainly located in the library, "drifting" shelves, readers see the favorite books, free access to, after reading, fill in the book of "drifting" card, and finally the book back into the "drift "b