It was a vegetarian and probably snacked on pine needles and ferns.它属于食草动物,可能主要吃松针和蕨类植物.The xylem of ferns and conifers contains only tracheids.蕨类植物和针叶树的木质部仅含有管胞.Blackboys sprouted out of the thick undergrowth of ferns a...
After his elevation to the papacy, he reigned for two years.他升任教皇后在位两年。The bicycle reigned supreme as Britain's most popular mode of transport.当时自行车是英国最流行的交通工具。Confusion reigned about how the debate would end.在这一争论如...
Brinson and his associates have also shown that material anisotropy exerts an effeet on plastic - zone shapes.Brinson和他的合作者还表明,材料各向导性对塑性区的形状会产生影响.He never exerts himself to help anyone.他从未尽力帮助别人.To date, the Doctrine of ...