Reference books may not be taken out of the reading room.
不得将参考书携出阅览室。
These reference books are necessary to us.
这些参考书是我们所必需的。
The library contains a large number of foreign language reference books.
图书馆有大量的外文参考书。
No reference books are to be taken out of the reading room without permission.
本阅览室参考书不得私自携出。
There is not only excellent reference material, but many books and articles explaining it.
它不仅有很棒的参考材料，而且很多书籍和文章都对它进行了介绍。
Readers must not take away books in the reference library.
读者不得拿走“参考书阅览室”里的书。
All the reference books available are out of date.
所有找到的参考书都是过时的。
You can borrow books of reference, suck as dictionaries and handbooks.
你可以借些参考书，象词典和手册之类。
They must have some training in the use of reference books.
应当对他们在使用参考书方面进行些训练。
Third, learn something new from reference books and mend your way of thinking.
第三，从参考书中学习新的知识，改进思维方式。
Whose are these reference books?
这些参考书是谁的？
These are the reference books (that) I bought for you yesterday.
这些是我昨天给你买的参考书。
The library allowed us the run of the reference books.
图书馆允许我们自由使用参考书。
Then find out the difference between your answer and the answer given by reference books.
然后找出你的答案和参考书中给出的答案之间的差异。
The reference books were misarranged on the shelf.
这些叁考书在书架上排得不当。
He has several such reference books as dictionaries and handbooks.
他有几本像字典，手册之类的参考书。
I keep my reference books near my desk for convenience.
为了图方便，我把参考书放在书桌前。
The information is culled from various reference books.
这份资料是从各种参考书中摘出的。
What reference books do you recommend us to read to improve their English?
你推荐我们读些什么参考书来提高英语？
I keep my reference books near my desk for convenience.
我把参考书放在书桌旁用著方便。
We should train them to make use of reference books.
我们应训练他们学会使用参考书。
This experience tells him that he should make good use of reference books.
这次经验告诉他，他应当好好利用参考书。
These reference books are necessary to scientific workers.
这些参考书是科学工作者所必需的。
First, think about the question before you use reference books.
首先，在使用参考书之前先思考问题。
First, think about the question before you use reference books.
首先，在使用参考书之前先思考问题。
应用推荐