reference book
英 [ˈrefrəns bʊk]
美 [ˈrefrəns bʊk]
n. 参考书; 工具书
牛津词典
noun
- 参考书；工具书
a book that contains facts and information, that you look at when you need to find out sth particular
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