No other animal has feet structured like those of human beings. What makes human feet unique are heels that come into contact with the ground, toes that point forward, and the arches of the foot.
世界上確實沒有何任一種生物擁有和人類足部相同的構造，人類足部的獨特性在於擁有和地面接觸的足跟、向前方直長的大腳趾，以及「足弓」的構造等。