instep
noun /ˈɪnstep/
/ˈɪnstep/
- enlarge imagethe top part of the foot between the ankle and toes
足背 Topics Bodyc2 - the part of a shoe that covers the instep
鞋面
词源late Middle English: of unknown origin; compare with West Frisian ynstap ‘opening in a shoe for insertion of the foot’.