A goat was standing up against a tree on its hind legs, trying to get at the leaves.
一只山羊后腿趴在一棵树上站起来，试图去够树叶。
The fossil luckily includes a good portion of the hind legs.
很幸运，化石包含了一大部分后腿。
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。
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