例句與造句

1. Other vertebral material includes seven centra that are fragmentary and a few neural arches, which are unattached . 12 dorsal ribs are preserved, as well as some appendicular elements.
2. The specimens of " Dystrophaeus viamelae " are highly fragmentary, with only a few bones available for study including an ulna, partial scapula, partial dorsal vertebrae, a distal radius, and some metacarpals . " Dyslocosaurus polyonychius " also has extremely limited fossil evidence that only includes appendicular elements, and the position of it in Tschopp's phylogeny is therefore considered " prelimintary ."
3. It's difficult to find appendicular elements in a sentence. 用appendicular elements造句挺難的