柯林斯詞典coal mine (coal mines) 1. N-COUNT A coal mine is a place where coal is dug out of the ground. 煤礦 返回 coal mine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 ] uk Your browser doesn't support HTML5 audio us 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