Every year, the pole points a little farther from that star, making a big circle 47 degrees across.

每年地球北极都会远离北极星一点点，形成一个47度的大圈。

Right now, the north pole points toward Polaris, but one day in the future, because of that wobble wobble, we'll have to pick a new North Star.

现在，北极指向北极星，但在未来的某一天， 由于摇摆不定，我们将不得不选择一颗新的北极星。