foot-fault

英['fʊtf'ɔːlt] 美['fʊtf'ɔːlt]
  • n.脚步犯规
  • foot n.脚;英尺;最底部;音步v.表演舞步;步行;付账;踏;共计
  • skinner n.皮商;剥皮工人;联畜运输车驾驭者
名词 footfault:
  1. a fault that occurs when the server in tennis fails to keep both feet behind the baseline