单词 asternal 释义 asternal, a. Phys.|stnl|[f. a- prefix 14 + mod.L. stern-um breast-bone, ad. Gr. chest + -al1.]Not joined to the breast-bone.1847Todd Cycl. Anat. & Ph. IV. 652/1 The asternal ribs.{var l=document.getElementsByTagName("link");var r=/OED...