短语词组短語Heel -and-Toe Wear 鋸齒狀磨損biped heel -and-toe robot 雙足競步機器人heel -and-toe walking 競走HEEL -AND-TOE POLKA STEP 踵趾波爾卡步;踵趾撲尅步;踵趾交換跳步Semi -rigid heel and toe reinforcement 半剛性腳跟和腳趾加固 返回 heel and toe