他从书架上拿下一本书，单膝跪下，打开了它。
He pulled a book from the shelf, dropped to one knee, and opened it.
同时，对于你想用来填充你书架的那些书，这里有一个方便的图表来说明如何打开一本新书。
Also, for those of you who plan on filling out your bookshelves with some of these, here is a handy chart on how to open a new book.
另外我可以打开我的书架或者从网上下载其它书籍，稍后再说。
Alternatively, I can open my bookshelf or download other books from the web, but I'll get to that later.
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