It struggles outward in a chaotic zigzag pattern that scientists call the " random walk" .

光子就在这样混乱的曲折之中挣扎着向外游动，这种模式科学家称之为“随机游动”。

If human behavior was arbitrary, it would be like a random walk but it's not.

如果人类的行为是任意的，那就像随机游走，但事实并非如此。

The question of how far this photon gets from the center of the Sun after each collision is known as the random walk problem.

这个光子在每次碰撞后离太阳中心多远的问题被称为随机游走问题。

Now when we use a computer and a sophisticated solar interior model to calculate the random walk equation with these changing quantities, it spits out the following number: 170,000 years.

现在，当我们使用计算机和复杂的太阳内部模型来计算具有这些变化量的随机游走方程时，它会吐出以下数字：170,000 年。

So if you were taking a random walk from your front door with a one meter stride each second, it would take you a million steps and eleven days just to travel one kilometer.

因此，如果您以每秒 1 米的步幅从前门随意步行，那么仅仅走一公里就需要 100 万步和 11 天。