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发表于 2011-3-18 08:13 AM
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The foot is an anatomical structure found in many vertebrates. It is the terminal portion of a limb which bears weight and allows locomotion. In many animals with feet, the foot is a separate organ at the terminal part of the leg made up of one or more segments or bones, generally including claws or nails.
脚,又称足,是人体部位之一,位于每一条腿的下部,行走时与地接触。生物学上也用来指各种动物运动时与地接触的器官。
上述文字来自WIKI。可见有腿比有足,有足必有腿,是一对一的对应关系。不会有四足二腿或四足六腿这样的事发生(残废除外)。 |
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