reference book

名词 reference book:

1. a book to which you can refer for authoritative facts
   同义词：reference, reference work, book of facts

1. I like to have my reference book within my reach.
   我喜欢把参考书放在随手拿得到的地方。
2. The book is used as a reference book.
   这本书被用来做参考书。
3. This reference book is very useful to our study.
   这本参考书对我们的研究很有用。
4. Is this reference book of any use to me?
   这本参考书对我有用处吗？