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reference book

US 
UK 
  • n.参考书;工具书
  • Web参考工具书;本参考书;参考类图书
Plural Form:reference books  
reference book
n.
1.
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

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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