内侧

• inner side
• inside
• inner flank

例句

1. 你的腿从内侧量有多长？
   What does your inside leg (ie from the crutch to the inner side of the foot) measure?
2. 酒石形成于酒的发酵桶的内侧。
   Tartar forms on the inside of a cask in which wine is fermented.
3. 这杯子的内侧有积垢。
   This cup is stained on the inside.