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coal face英英字典_coal face剑桥英语解释_coal face柯林斯英文解释_花灯集英语字典
花灯集英语字典

coal face

C 开头单词

柯林斯词典

    coalface /ˈkəʊlˌfeɪs/ (coalfaces)

  • 1. N-COUNT In a coal mine, the coalface is the part where the coal is being cut out of the rock. 煤层截面

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