Oh Yes I do, and he's upstairs in the bedroom with Mummy, right now!
是的,我知道,但是他和妈咪现在正在楼上的卧室里!
Yes, I divide... m Oh, there's an m here, m And now what I'm going to do, I'm going to take the time derivative of this equation.
对,我除以。,哦,这里有个,应该在这里。,and, the, m, has, to, be, here。,现在我要做的,我将把这个等式,转化成与时间有关。
Where do I want to start? Oh yes, OK.
让我们来看看,我从哪儿开始呢?好的。
Where do I want to start? Oh yes, OK.
让我们来看看,我从哪儿开始呢?好的。
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