If I throw a very concentric circle, or concentric ellipse, it just dutifully makes these evenly spaced lines, which get closer and closer together, which describes how gravity works.
如果我定一个同心圆， 或者一个同心的弧形， 它只会完成这个任务， 画出这些固定的线条 这些线条靠得越来越近， 并因此告诉人们重力到底是怎样工作的。