1·Archaeopteryx shows no obvious features of gliders, such as a broad membrane connecting forelimbs and hind limbs.
始祖鸟并没有表现出明显的滑翔机的特征，比如有一层连接前肢和后肢的宽膜。
2·There are few known fossil specimens of these ancient snakes and only three in which the hind limbs are preserved and visible.
这些古老蛇类的化石标本非常稀少，仅有的三个标本的后肢保存完好并可见。
3·Many of these have minuscule limbs; some look more like snakes than lizards and a few have completely lost the toes on their hind limbs.
其中很多动物都有细小的四肢；有些看起来更像蛇而不是蜥蜴，还有一些完全失去了后肢的脚趾。
4·Whales and dolphins have been found with hind limbs; this rare occurrence is due to the reemergence of a trait they inherited from their terrestrial ancestors.
发现鲸和海豚身上有后肢；这种稀有的现象是由于它们在陆地上的祖先身上的特征再次被遗传。
5·The animal is able to stand up on its hind limbs.
这种动物能够用后肢站立。
6·Ventral (or pelvic) fins correspond to the hind limbs of a quadruped.
腹鳍对应着四足动物的后肢。
7·Powerful hind limbs and a large heavy tail serve for balance and support.
它们强有力的后退和粗重的尾巴也起着平衡和支撑作用。
8·Mild Tetany of hind limbs, staggering, falling and intermittent convulsions.
后肢轻度抽搐，蹒跚，卧地，间歇性抽搐。
9·A rat model of ischemia in hind limbs and the reperfusion lung injury was made.
复制大鼠双后肢缺血及再灌注后肺损伤模型。
10·Results Penetrating wounds of soft tissues were made in hind limbs in all animal.
结果所有动物均造成后肢单纯软组织贯通伤。