• Then he knows it's going to go up, it's going to curve, follow some kind of parabola, then his hands go there to receive it.

    所以就知道,这颗糖会先向上,再向下,沿着某条抛物线运动,然后就能判断在哪里

    耶鲁公开课 - 基础物理课程节选

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