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pure oxygen

US 
UK 
  • un.纯氧
  • Web纯氧气;油酸
un.
1.
纯氧

Sample Sentence

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