足: Ⅰ名词1.(脚; 腿) foot; leg 短语和例子赤足 barefoot; 失足 lose one's footing; 鼎足 the legs of a tripot2.(姓氏) a surname 短语和例子足强 zu qiangⅡ形容词(充足; 足够) sufficient; ample; enough; full 短语和例子干劲十足 full of energy
足背: dorsum of footdorsum pedisinstepthe dorsum of the foot