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

所以，下次你到健身房机时候，试试自己编首歌唱唱吧。

Io, for example, has an elliptical orbit.

例如木卫一 ，有一个形轨道。

Like every orbit, the moon follows an elliptical path.

跟所有轨道一样，月亮绕行轨道也是形。

Goes up, delivers the capsule into an elliptical orbit.

发射升空之后 推送太空舱进入形轨道。

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

如此这般，用精心设计省略句不时透些信息。

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星系中心。

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

那么，就意味着需要从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，们会结合成新星系。

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

如啤酒桶大截面呈形。

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

棘手是，如何能让太空舱从形轨道转到抛物线形轨道。

The moon's elliptical orbit makes it appear to regularly change size in the night sky.

月球轨道使在夜空中看上去有规律地改变大。

Great. That's how he ended up with his other guitar, the Xbox and the elliptical.

很好，他也是因为这个理由买了那把吉他，那台游戏机和机。

The moon's orbit is elliptical which means it's not always the same distance from earth.

月球轨道是形，这意味着与地球距离并不总是一样。

Apparently, star formation in ellipticals came and went eons ago.

显然，星系中恒星形成活动在很久以前就开始了。

How much of an elliptical path do planets in our solar system have?

我们太阳系行星有多少轨道？

It's not exactly clear how ellipticals form.

是如何形成还不是很清楚。

Amanda had an oval face shape, whereas Meredith had a more elliptical face shape.

阿曼达是鹅蛋脸，而梅瑞狄斯脸型偏形。

And can I just confirm that the hotel gym's not just, like, three crappy elliptical machines?

还有我想确认下酒店健身房该不会只有三台旧跑步机吧？

They tend to have no overall structure as spirals do: ellipticals are puffy.

星系是很“蓬松”。

Both are on very elliptical orbits.

们公转轨道都呈形。