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	afraid so afraid to say afraidder afraiddest afraider afraidest Aframerican aframoma aframomums Afrasian afrasians afreet afreets afresh afresher afreshest Afric Africa africae African African American African American English african american language African American Vernacular English african americans

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