单词 rack-bone 释义 † rack-bone Obs.[rack n.4]A vertebra.1615Crooke Body of Man 775 The transuerse processes of the racke-bones of the necke.Ibid. 800 The last spondels or rackbones of the chest.1656W. D. tr. Comenius' Gate Lat. Unl. (1659) 259 The chin...