常見例句雙語例句Flatfoot: Congenital or acquired flatness of the arch of the foot, in which the foot and heel usually also roll outward, resulting in a splayfooted position.扁平足：先天性或后天性足縱弓平坦的一種外科病。足和足跟向外側(cè)旋轉(zhuǎn)，足弓消失，形成八字腳。 返回 splayfooted