You hit the ping-pong ball with this paddle.
你用这个球拍打乒乓球。
We have a ball and a paddle and everything basically works.
我们有了一个球和一个挡板并且基本上所有的都工作了。
Does the speed of the paddle influence the ball speed and direction?
挡板的速度会影响球的速度和方向吗？
Suppose this is the flight path of the ball. I retreat to a position far behind the table. The ball has just fallen. I start with the paddle well above and behind the ball.
假设这是球的飞行路线，我退到离球台很远的地方， 球正好落下来，我向球的后上方引拍。
We need to speed the paddle up as the ball goes faster.
我们需要加快挡板的速度就像球加速一样。
We need to speed the paddle up as the ball goes faster.
我们需要加快挡板的速度就像球加速一样。
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