inside figure

• 内刃图形

inside figure的用法和样例：

例句

1. Unlike ploughing which only uses the inside edges of your Skis, Traversing will be using both the inner and outer edges.
   犁式动作中，我们只用到了雪板内刃，穿越动作既会用到板内刃也会用到板外刃。