At some point, though, if you throw the rock hard enough, an amazing thing happens: it can escape.

直到你扔出的力道足够大，一件神奇的事情就会发生：石头可以逃逸。

And so, I freeze them and they become like real rock hard.

所以，我把它们冷冻起来，它们变得像石头一样坚硬。

Above those were hard sedimentary rocks which he called Secondary.

上面是坚硬的沉积岩， 他称之为次生岩。

And we know that it's frozen, but it's not rock hard like plain ice.

我们知道它是结冰的，但它不像普通冰那样坚硬。

They had surrounded the kidnapper's ship and were rocking it hard.

他们包围了绑匪的船，并用力摇晃它。

If you throw a rock hard enough, while gravity can slow it down, the gravity gets weaker the farther away the rock is.

如果你扔得足够用力，尽管引力会让它减速，但引力本身随着它的距离变远而减弱。

It's a lot like the idea of escape velocity: throw a rock hard enough and, even though gravity will slow it down, it will escape.

用力扔一块石头，即使重力会使它慢下来，它还是会逃逸。

Gold, of course is an ultimate example of this, an object of fascination for years, rocked hard by the likes of King Tut, and Mr. T because, uh, it's shiny.

当然，黄金就是一个极好的例子，它是多年来众人迷恋的对象，图特国王和T先生为此深深着迷，因为，呃，它很闪耀。

In Iowa, people work hard, play hard, and have been even known to rock hard in a place where the music died when three of America's rock legends met their tragic fate in an Iowa field.

在爱荷华州，人们努力工作，尽情玩耍，甚至在美国三位摇滚传奇人物在爱荷华州的田野上遭遇悲惨命运时，音乐在音乐消失的地方努力摇滚。