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precious metals

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UK 
  • n.“precious metal”的复数
  • Web贵金属;贵重金属;珍贵金属
n.
1.
“precious metal”的复数
na.
1.
“noble metals”的变体

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