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  1. Oxford American Dictionary

    coal measures

    • IPA[ˈkōl ˌmeZHərz]
    • plural
      a series of strata of the Carboniferous period, including coal seams.

    • noun: coal measure, plural noun: coal measures

    • 更多解釋

    coal measures

    • plural
      a series of strata of the Carboniferous period, including coal seams.

    Oxford Dictionary