The shape of this stadium is an ellipse.

这座体育场的形状是一个椭圆。

He drew many ellipses in his notebook.

他在笔记本上画了很多椭圆。

The trajectory of this molecule is much like an ellipse.

这种分子的运动轨迹很像一个椭圆。

If I make the total energy positive, it's not an ellipse.

如果我让总能量为正，它就不是一个椭圆了。

Man is not a circle with a single centre; he is an ellipse with a double focus.

人并不是只有一个圆心的圆圈；他是一个有两个焦点的椭圆。

If this is an ellipse around the Earth, this would be perigee and this would be apogee.

如果这是一个围绕地球的椭圆形，那么这是近地点，这是远地点。

The main axis of the planet's orbital ellipse shifts each time when it goes around the sun.

当行星绕太阳运行时，其轨道椭圆的主轴每次都会改变。

Cutting the cone at various angles gives you various shapes of ellipse. Until the angle of your cut exceeds the angle of the side of the cone.

从侧面不同角度切割圆锥，你便会得到不同的椭圆，直到你的切割角度超过圆锥体侧边的角度。