资料来源 : pyDict

前鸟喙骨

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Precoracoid \Pre*cor"a*coid\, n. (Anat.)
   The anterior part of the coracoid (often closely united with
   the clavicle) in the shoulder girdle of many reptiles and
   amphibians.