| 释义 |
instep/ˈinstep/n. 1 the inner arch of the foot between the toes and the ankle 脚背，足弓 2 the part of a shoe etc. fitting over or under this (鞋等)覆盖脚背部分，鞋面 3 a thing shaped like an instep 脚背形的东西 [Middle English: ultimately formed as IN-2 + STEP, but immediate origin uncertain] |