It is your moving power 它是你前进的动力
"Among those who believe that it is moving in the right direction, they attribute it to good security and reconstruction efforts,".
VOA: standard.2009.10.27
And it is moving around and we are sitting on that electron watching it go about its daily affairs.
它正在运动,我们正置身与电子上面,观察它时刻发生的事件。
For example, if you're talking about the chalk--if I throw the chalk, you will have to know where it is and how fast it's moving.
比如说,这支粉笔,如果我扔出这支粉笔,你就像知道它的位置和速度
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