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	auctioneers auctioning auctions auctor auctores auctorial auctors aucuba aucuba green aucuba mosaic aucubas aud audace audacious audaciously audaciousness audaciousnesses audacities audacity audad audads Audaean audemus jura nostra defendere Auden audenarde

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