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coal mine

US 
UK 
  • n.煤矿
  • Web煤矿矿井;煤矿矿场;新竹煤矿
Plural Form:coal mines  
coal mine
n.
1.
煤矿a place underground where coal is dug

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