You are probably aware that the earth's orbit around the sun is not shaped like a perfect circle.
你可能知道，地球围绕太阳的轨道形状不像一个完美的圆。
Now that it was a perfect circle, it could roll very fast, too fast to notice the flowers and 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。
Earth's orbit is not a perfect circle, but is rather an oval-shaped ellipse, like that of the orbits of all the other planets.
地球轨道不是完美的圆形，而是像其它行星的轨道一样，呈椭圆形。
Where a perfect circle has an eccentricity value of zero, roughly half of exoplanets seen thus far have an eccentricity of 0.25 or greater.
一般一个完美圆周的偏心值为0，而约有一半的系外行星的偏心值在0.25或者更高。
One story about Giotto tells how he sent Pope Boniface VIII a perfect circle painted with a single brushstroke when asked for samples of his work. The Pope was apparently very impressed.
有一个故事说教皇波尼法爵八世曾向乔托索要创作样本，乔托只用了简单的一笔就画了个完美的圆，然后将圆送给他，这件事给教皇留下了深刻的印象。
Now that it was a perfect circle.
现在它已成了一个完美的圆圈。
舞成一个十全十美的圆。
Hold Shift and drag to draw a perfect circle.
按住Shift键并拖动以绘制一个完美的圆形。
Now that it was a perfect circle, it could roll very fast.
它现在是个完整的圆圈了，它可以滚的很快。
The moon makes a trip around Earth every 29.5 days. But the orbit is not a perfect circle.
月球环绕地球一周需29.5天，可是他的运行轨道并不是完美的圆。
Drag any selection handle on a perfect circle or square to resize the shape proportionally.
拖动正圆形或正方形上的任何选择手柄均可成比例地调整该形状的大小。
Now that it was a perfect circle, it could roll very fast, too fast to notice flowers or talk to the worms.
现在它已然成了一个完整的圆圈，所以滚动起来飞快，快得无暇理会花儿，当然也不可能与虫儿畅谈。
Now that it was a perfect circle, it could roll very fast, too fast to notice flowers or talk to the worms.
现在它已成了一个完美的圆圈，所以滚动得非常快，以至于难以欣赏花儿，也无暇与蠕虫倾诉心声。
Now that it was a perfect circle, it could roll very fast, too fast to notice the flowers and talk to the worms.
现在它是一个完整的圆了，它滚的很快，很快以至于它注意不到路边的花儿，不能跟路边的虫子交谈。
It's a perfect circle with a single path that goes around it, and you can walk the whole circumference in about an hour.
正圆形的岛只有一条环岛步道，一个小时内即可走完整个圆周。
Really? There is definitely a connection. It's very strange because we're so different, but we create a perfect circle together.
真的吗？这里肯定有一个联系。这非常的奇妙，因为我们非常不一样，但我们在一起的时候创建了一个完美的环。
A Perfect Circle. Fiddle And The Drum.
一个完美的圆。小提琴和鼓。
A Perfect Circle. Fiddle And The Drum.
一个完美的圆。小提琴和鼓。
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