coal mine
柯林斯詞典
1. N-COUNT A coal mine is a place where coal is dug out of the ground. 煤礦
返回 coal mine
coal mine (coal mines)
劍橋詞典
- the deep hole or system of holes under the ground from which coal is removed
煤礦
coal mining
noun [ 不可數(shù)或單數(shù)名詞：沒有復(fù)數(shù)形式的名詞 ] ukYour browser doesn't support HTML5 audio
Your browser doesn't support HTML5 audio
the business , job , or process of removing coal from the ground
煤礦業(yè)，開采煤礦（的工作或過程） 返回 coal mine