单词	cave-in
释义	cave-in noun ˈkāv-ˌin  1 : the action of caving in 2 : a place where earth has caved in Word History First Known Use 1860, in the meaning defined at sense 1
随便看	black bullhead black bunch grass black cabbage black cabbage tree black caiman black cake black calabash black calla black cancer black canker Black Canyon black caraway black carbon Black Carib black carp black carpet beetle black cat black catechu black cattle Black Cayuga black chaff black chalk Black Chamber black chanterelle black chaser

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