instep'instep英式朗读美式朗读基本解释n. 脚背, 背部, 脚背形的东西 [医] 足背, 足弓英文释义n. the arch of the foot n. the part of a shoe or stocking that covers the arch of the foot词形变化复数insteps上一个单词:insted下一个单词:insteps