单词	karren
释义	karren /ˈkarən / plural noun Geology Grooves and fissures, typically separated by sharp ridges, produced in a hard limestone surface by water erosion.As a result of karren development the fissures are widened and channel edges are eroded.... In the northern limestone Alps large bare karst areas with impressive Karren exist. Karren are particularly common on limestone pavements. Origin Late 19th century: from German Karren.
随便看	mixed message mixed metaphor mixed money mixed motion mixed nerve mixed number mixed nuts mixed pickles mixed program mixed programme mixed-race mixed school mixed signals mixed spice mixed technique mixed tithes mixed train mixed up mixed-upness mixed veld mixem gatherem mixen mixer mixer-settler mixer tap

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