单词 ambulacral 释义 ambulacral, a.|mbjulekrl, -kral|[f. L. ambulacr-um + -al1.]Of or pertaining to the ambulacra of Echinoderms; avenue-like.1836–39Sharpey in Todd Cycl. Anat. & Phys. II. 32/1 The ten ambulacral columns are disposed in five pairs.1847I...