Humans turn a screw to make it move along its length, but the weevil's muscles pull along the length of its leg to make it turn.
人类旋转螺丝使其前进，而象鼻虫的肌肉沿着腿的方向牵拉，使其旋转。
to pull one’s leg – Example “ Don’t worry. I’m just pulling your leg.”
Topullone’sleg-例句“别担心，我只是和你开个玩笑而已。”
If you are doing the pose to the right, your right leg is at an angle to the floor that makes it easy for gravity to pull the leg into hyperextension.
如果你向右侧做三角式，你的右腿与地面呈一个角度，这样由于重力的作用，就会很容易将右腿的膝盖拉到超伸的状态。如果你的右手用力压在小腿上，那就会将胫骨向后压。
If you are doing the pose to the right, your right leg is at an angle to the floor that makes it easy for gravity to pull the leg into hyperextension.
如果你向右侧做三角式，你的右腿与地面呈一个角度，这样由于重力的作用，就会很容易将右腿的膝盖拉到超伸的状态。如果你的右手用力压在小腿上，那就会将胫骨向后压。
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