So for that millisecond, or however long it takes you to react, you're still pushing, and that unbalanced force causes an acceleration, and that is the plunge.
因此在你的大脑做出反应的一毫秒或其他时间内 你仍在推钻子， 然后那个不平衡的力造成了加速度， 这就是刺入的过程。