So next time you're working the elliptical at the gym, perhaps make your own music.

所以，下次你到健身房踩椭圆机的时候，试试自己编首歌唱唱吧。

Io, for example, has an elliptical orbit.

例如木卫一 ，有一个椭圆形轨道。

Like every orbit, the moon follows an elliptical path.

跟所有轨道一样，月亮绕行的轨道也是椭圆形的。

Goes up, delivers the capsule into an elliptical orbit.

发射升空之后 推送太空舱进入椭圆形轨道。

And so on and so forth, in carefully constructed elliptical bursts of information.

如此这般，用精心设计的省略句不时透露些信息。

The jet is piercing the heart of a giant elliptical galaxy called M-87.

这个喷射柱穿过了一个叫做M-87的椭圆星系的中心。

So, it means to move from an elliptical orbit to a parabolic orbit?

那么，就意味着需要从椭圆形轨道转到抛物线形轨道？

If these two spiral galaxies collided, they would merge into one new elliptical galaxy.

如果这两个螺旋星系相撞，它们会结合成新的椭圆星系。

It's about the size of a beer barrel, but is not circular, but elliptical.

如啤酒桶大小的它截面呈椭圆形。

The problem is when the capsule moves from an elliptical orbit to a parabolic orbit.

棘手的是，如何能让太空舱从椭圆形轨道转到抛物线形轨道。