preliminary study

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  • un.初步研究
  • Web概略研究;初步的研究;前期研究
un.
1.
初步研究

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