完全成长的腿龙，与其它恐龙相比相当小。有些科学家估计腿龙身长4公尺。腿龙是四足恐龙，后肢较前肢长，后肢下半部的骨头较粗短。它们可能以后肢支撑身体，以吃树上的树叶；但腿龙的前脚掌与后脚掌一样大，显示它们有几乎四足的姿势。腿龙有四个脚趾，最内侧的趾骨是最小的。
从前有一条独脚龙，它对蜈蚣说：“你如何管理那么多腿？”
There was once a one-legged dragon who said to the centipede, "How do you manage all those legs?''
打猎水牛时，一只科莫多龙会试着咬一口它的腿。
When hunting buffalo, one Komodo will attempt to bite the animal's leg.
并不是只有变色龙能利用颜色来隐入背景，在蜘蛛的世界里也存在着许多8条腿的变色龙，比如四点圆蛛和蟹蛛。
It isn't just lizards that can use colour to blend into the background the spidery world also has many 8-legged chameleons including the four spot orb weaver and the crab spider.
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