noble metals

US 
UK 
  • na.贵金属
  • Web贵族金属;稀有气体;有气体
na.
1.
贵金属

Sample Sentence

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