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  1. Oxford Dictionary

    sinkhole

    • IPA[ˈsɪŋkhəʊl]

    英式

    • n.
      a cavity in the ground, especially in a limestone formation, caused by water erosion and providing a route for surface water to disappear underground.

    • noun: sinkhole, plural noun: sinkholes

    • 更多解釋

    sinkhole

    • IPA[ˈsiNGkˌhōl]

    美式

    • n.
      a cavity in the ground, especially in limestone bedrock, caused by water erosion and providing ...

    Oxford American Dictionary