Coal Mine

中文含义：煤矿

英语词性：noun

美式音标：[koʊl maɪn]

同义词：coal pit, colliery

易混淆单词：gold mine（金矿）, oil well（油井）

Examples:

  • A coal mine is a dangerous place to work.
  • In the early 1900s, coal mining was a major industry in many parts of the world.