Momentum can surge you forward and it can pull you under.

动力能驱使你向前，它能迫使你下沉。

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As you slide the leg back slowly move your head forward as if it is being left behind the movement and then pull it back towards the body as you switch to the other foot.

当你的脚慢慢向后滑动时，稍稍把头向前移动，就好像头部的动作慢一拍一样。当你转到另一只脚时再把头伸回来。

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Pull the receiver back and let it snap forward.

把反弹器向后拉，让它朝前弹。

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Pull the receiver back and let it snap forward.

把反弹器向后拉，让它朝前弹。

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