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carboniferous

US [ˌkɑrbəˈnɪfərəs]
UK [ˌkɑː(r)bəˈnɪfərəs]
  • adj.产煤的;含煤(或碳)的;石炭纪的
  • Web含碳的;石碳纪;C石炭纪
Carboniferous
adj.
1.
产煤的;含煤(或碳)的producing or containing coal
2.
石炭纪的of the period in the earth's history when layers of coal were formed underground

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