| 单词 | instep |
| 释义 | instep n (a) upper surface of the human foot between the toes and the ankle 脚背. =>illus at foot 见 foot 插图. (b) part of a shoe, etc covering this （鞋等的）覆盖脚背的部分; 鞋面. =>illus at shoe 见 shoe 插图. |
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