In physics, we love perfect circles.

在物理学中，我们喜欢完美的圆。

It's nearly face-on in a perfect circle.

它几乎面对着我，以一个完美的圆形轨道公转。

Of course, the trip was not a perfect circle.

当然，地球的旅程并不是个完美的弧形。

The moon's orbit around the Earth isn't a perfect circle.

月球绕地球的轨道并不是一个完美的圆形。

I have a double-jointed elbow, look, I can make a perfect circle.

我有双关节肘 看 我可以画一个完美的圆。

Simply put, eccentricity tells how much the ellipse deviates from a perfect circle.

简单地说，离心率表示椭圆与正圆的偏离程度。

For one thing, it's not a perfect circle, it's quite an elongated ellipse.

至少不是一个标准的圆形，而更像是一个拉长的椭圆。

The moon’s orbit around Earth is not a perfect circle.It is shaped like an oval.

月球绕地球运行的轨道是椭圆而不是正圆。

You see, for the most part, the earth rotates around the sun in a nearly perfect circle.

你看，在大多数情况下，地球绕着太阳以近乎完美的圆周旋转。

Apple added an artificial pond that, just like The Ring building, also happens to be a perfect circle.

苹果公司还盖了一个人工水池，就像圆环的建筑一样，也是一个完美的圆形。

He discovered the planets orbit the Sun on ellipses, when previously it was thought they orbited in perfect circles.

他发现绕着太阳的行星轨道是椭圆形的，而以前人们都认为这些轨道是完美的圆形。

If you found yourself outside of that point, you'd see that stars are twisted around a perfect circle of darkness.

如果你发现自己身处视界之外，你会看到恒星扭动在一个完美的黑色圆环上。

Even a small tweak in these status quo conditions, or any interplanetary interactions, would change the path from a perfect circle.

在这些现状条件下，哪怕是一个小小的调整，或者任何星际间的相互作用，都会改变轨道，使之不再是一个完美的圆。

And wow, I can tell that the pie chart of people who are totally zoned out is a perfect circle right now.

哇，我可以看出，现在完全走神的人的饼状图是一个完美的圆圈。

I can still see her face now, and our lips formed a perfect circle as if she was sucking through a straw.

我现在还能看到她的脸，我俩对着嘴，就像她在用吸管吸东西。

" Smooth" is like a perfect circle, a peach, if you will.

“光滑” 就像一个完美的圆圈， 一个桃子，如果你愿意的话。

Now that it was a perfect circle, it could roll very fast, too fast to notice the flowers or to talk to the worms.

既然它已成了一个完整的圆圈，所以滚动得非常快，快得以至于无暇观赏花儿，也无暇与蠕虫倾诉心声。

Hopefully, something from the light goes into the dark, and the dark increases that and sends it back, and you create this perfect circle.

顺利的话，灯光之下的某种东西能够穿透到黑暗里，在黑暗里酝酿之后再重新反射到舞台上，一个完美的圈子就这样形成了。

He, in fact, theorized that the orbits were perfect circles.

事实上，他提出了轨道是正圆的理论。

Earth's orbit around the Sun is not a perfect circle.

5. 地球绕太阳公转的轨道不是正圆。