Then she collapsed to her knees.

跪倒在地。

And spinning stars collapse to a ring.

而旋转的恒星会坍缩成一个环。

And according to textbooks, it collapses to a point of infinite density.

根据教科书的说法，它会坍缩成一个无限密度点。

Fifteen? It's a hit. The dragon collapses to the ground! Wait.

十五？攻击成功， 巨龙倒在了地上。等一下。

I'm not gonna wait for them to collapse on us.

我是不会干等着让他们来击垮我们的。

They don't collapse to a dot at all.

它们根本不会坍缩成一个点。

He almost died under the North Tower that was collapsing to the ground.

他差点死在正在倒塌的北塔下。

At birth, the umbilical cord is cut and the umbilical vein collapses to form the round ligament.

在出生时剪掉脐带后，脐静脉闭锁形成圆韧带。

He refused to believe that a star such as the Sun could collapse to a point!

他不相信像太阳这样的恒星会坍缩成一个点！

In fact, this clash of the titans is the same reason Earth's atmosphere doesn't collapse to the ground.

事实上，这两位巨人的冲突也是地球大气层不会降至地面的原因。

Venezuela's oil production - the source of almost all of its overseas earnings - has collapsed to its lowest level.

委内瑞拉的石油生产已经跌至最低水平——这几乎是该国所有海外收入的来源。

By October its market capitalisation had collapsed to less than $250bn.

到 10 月，其市值已跌至不足 2500 亿美元。

It described how matter could collapse to form a black hole.

它描述了物质如何坍缩形成黑洞。

The Twin Towers collapsing to the ground.

双子塔轰然倒塌。

Would it collapse to infinite density?

它会坍缩到无限密度吗？

Then, 15 minutes into his performance, the singer suddenly stumbled, his bandmate catching him before he collapsed to the ground.

演出开始15分钟后，这名歌手突然摔倒了，他的乐队队友扶住了他。

Right now, we just want to find out what occurred, what caused this collapse to occur and people to die.

目前，我们希望查明倒塌的真正原因，是什么引起了此次事件。

Eddington thought it was simply not possible that a star could collapse to a point.

爱丁顿认为恒星不可能坍缩成一个点。

Black holes are created when a collection of matter collapses to such a high density that light itself cannot escape.

当聚集的物质崩塌成连光都无法逃脱的超高密度物质时，就产生了黑洞。

If their combined mass is more than 2.8 times that of the Sun they'll collapse to form a black hole.

如果它们的总质量超过太阳的2.8倍，它们就会坍缩形成黑洞。