单词	on the back foot
释义	请查阅词条：foot
随便看	bobsleighing bobsleighs bobstay bobsy-die bob's your uncle bob's your uncle adytum adz adze adzed adze-eye adz-eye adzhar Adzhar adzhars adzing adzooks adzs adzuki adzuki bean adzukis adélie adélie coast Adélie Coast Adélie Land “植物电池”的梦想能实现吗 “死而复生"记 “气象树"是怎么回事? “水立方"是怎样立起来的? “沙漠绿洲"和“海市蜃楼"是怎样形成的? “泰坦尼克号”的遗骸是怎样发现的 “海底泥巴”里全是泥吗 “海底酒店”有什么好玩的 “海雪”里藏着什么 “淘气鬼杀手"加州型步枪 Foxmail FoxServ Foxtrott foxtrotten Foyer FPM(Fast_Page_Mode)_RAM FPM(Fluorkautschuk) Fracht Fracht Frachtangebot