缺词填空:if you want to know something about animals,read some b

问题描述:

缺词填空:if you want to know something about animals,read some books on these s______.
1个回答 分类:英语 2014-09-19

问题解答:

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应该填shelves(shelf的复数)吧.
a bookshelf 书架
shelf-mark n number marked on a book to show where it should be kept in a library 排架号(图书馆标於书上指示置於书架位置的编号).
 
 
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