petroleum oil

US 
UK 
  • un.石油润滑油;石油系油类
  • Web矿物油;矿物油乳剂;石油油
un.
1.
石油润滑油
2.
石油系油类

Sample Sentence

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