reference book
近义词：encyclopedia，dictionary，reference，referencework，
英英释义
Noun
- a book to which you can refer for authoritative facts;
"he contributed articles to the basic reference work on that topic"
例句
用作名词(n.)
- The teacher has made out a list of reference books.教师已开出了一份参考书单。
- You can use these reference books, if necessary.如果必要，你可用这些参考书。