有关四腮目头足类的，以两对腮为特征，并包括有腔鹦鹉螺和许多化石的种类。
Of, relating to, or being a cephalopod of the order Tetrabranchiata, characterized by two pairs of gills and including the chambered nautilus and many fossil species.
座头鲸不像齿鲸亚目鲸或齿鲸，它们是须鲸亚目、无害的大海兽，嘴里只有须鲸板。
Unlike orca, which are odontocetes or toothed whales, humpbacks are mysticetes, harmless leviathans with only baleen plates in their mouths.
奥古斯塔纳大学（Augustana College）的威廉·汉莫（William Hammer）发现了这种新的生物——一头四到五英尺的鸟臀目恐龙，他认为它与法布尔龙或畸齿龙有血缘关系。
William Hammer of Augustana College found the new creature -- a four- to five-foot ornithischian or bird-hipped dinosaur that he believes is related to the fabrosaur or heterodontosaur.
应用推荐