The sales assistant tries to turn around and steal away, but Ove quickly puts his leg forward to stop him.

店员想转身开溜，但欧维飞快地伸出一脚来把他拦住。

So, let's take the right leg forward, left leg back, and lift that back knee up, just stretch it out.

右腿在前，左腿在后，抬起后腿膝盖，进行拉伸。

So we're going to start in a runner's lunge. Let's start with the right leg forward and the left leg back.

我们从弓步开始，先是右腿在前、左腿在后。

Moving the legs forward is worse and causes the body to pitch nose up.

向前移动双腿会更糟糕，并导致身体向上倾斜。

In fact, the reason that turtles are so famously slow is that their giant ribs make it hard for them to swing their little legs forward.

事实上，海龟之所以如此缓慢，是因为它们巨大的肋骨让它们很难向前摆动小腿。