coal mine
柯林斯詞典
1. N-COUNT A coal mine is a place where coal is dug out of the ground. 煤鑛
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coal mine (coal mines)
劍橋詞典
- the deep hole or system of holes under the ground from which coal is removed
煤鑛
coal mining
noun [ 不可數(shù)或單數(shù)名詞：沒(méi)有複數(shù)形式的名詞 ] ukYour browser doesn't support HTML5 audio
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the business , job , or process of removing coal from the ground
煤鑛業(yè)，開(kāi)採(cǎi)煤鑛（的工作或過(guò)程） 返回 coal mine