preliminary step

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UK 
  • un.准备步伐
  • Web预备步骤;预备步伐
un.
1.
准备步伐

Sample Sentence

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