translation.en: The box on the left shows the wavelike, spread-out distribution of a quantum entity -- a particle, like an electron, which is not a little ball bouncing off a wall.
translation.zh: 左边的框里有一个量子实体，它像波一样扩散开来—— 这是个像电子一样的粒子， 它和从墙上反弹回来的小球不一样。