单词 urohyal 释义 urohyal, a. and n. Comp. Anat.|-hal|[f. uro-2: see hyoid a. and -al 1.]a. adj. Forming or relating to a median posterior process or part of the hyoid arch in fishes or birds. b. n. The bone forming this.1835–6Owen in Todd's Cycl. Anat....