我们刚刚讨论了描述质子,和电子之间相互作用力的定律,当距离变为无穷时,力变为零,那当距离变为,零时会发生什么?
So, we just talked about the force law to describe the interaction between a proton and an electron. You told me that when the distance went to infinity, the force went to zero.
好了!刚刚发生什么事了?
So now thankfully I found the lightest one which happens to be this guy here and so what's just happened?
现在我找出了最轻的,它就是,这个杯子,那么刚刚发生了什么呢?
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