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primer

US [ˈpraɪmər]
UK [ˈpraɪmə(r)]
  • n.底漆;初级读本;底层涂料;入门书
  • Web引物;引子;雷管
Plural Form:primers  
Primer
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n.
1.
[u][c]
底漆;底层涂料a type of paint that is put on wood, metal, etc. before it is painted to help the paint to stay on the surface
2.
[c]
初级读本;入门书a book that contains basic instructions
The President doesn't need a primer on national security.
总统对于国家安全是不需要读入门书的。
3.
[c]
识字课本;启蒙读本a book for teaching children how to read, or containing basic facts about a school subject

Sample Sentence

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