Then Andy took a large amount of money out of his pocket and asked Jeff to put it together with the other money.
VOA: special.2010.04.24
the total amount of the work that we can get out is just given by the area inside this curve.
能够输出的功就是,我们可以得出来,曲线所包围的面积。
And in this case we're going to look at silicone, and we'll say if you can point out to me which requires the least amount of energy.
这次我们要做的是关于硅的,我们来看看大家是不是,能够为我指出那一项需要消耗的能量最少。
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