We have very little rock at all that is actually the right age for dinosaurs.

我们几乎没有一块儿透露恐龙年龄的岩石。

The deadliest wind killed 14 people and carved an 80 mile path of destruction through suburban little rock.

这一最致命的暴风造成14人死亡, 呼啸着绵延80英里通过小石城的郊区。

Reach it up and over. Forward fold. And then slowly, we'll come to a little rock and roll.

双臂举高，向前折叠。然后慢慢地，我们将做摇滚式。

Instead, it's covered with small, little rocks.

相反，它上面覆盖着小石头。

Just a little rock, paper, scissors joke for you.

给你开个石头剪刀布的小玩笑。

The veins in his neck stood out and his fists were hard as little rocks.

他脖子上青筋暴起，拳头像小石头一样坚硬。

And little rocks do show up everywhere in the walls of the Romans' concrete buildings.

罗马混凝土建筑的墙壁上确实随处可见小石头。

After three years, finally, we were able to show that, in fact, our little rock was geyserite.

三年后，终于，我们能够证明，事实上，我们的小石头是硅钙铝。

And that suggested an exciting possibility: The little rocks might be helping the buildings heal themselves.

这提出了一个令人兴奋的可能性：小岩石可能有助于建筑物自我修复。

However, thousands of years of erosion has seen the rock consumed by the sea little by little, eventually spitting out this small fish-like island.

但是 经过千余年的海水侵蚀大海一点点吞掉石头吐出了这样一条小鱼。

As they go, waves, tides, and other stuff in the water keep breaking down those pieces until they become those tiny little rock grains we call sand.

沿着它们前进时，水中的波浪，潮汐和其他物质不断分解这些碎片，直到它们变成我们称为沙子的微小的小石头。

So, " gravel" is a material – the small little rocks – that is put on the road or some path that you travel on.

所以，“砾石” 是一种材料——小石头——被放在路上或你旅行的某些路径上。

And eventually some of these pieces became more like sand, little pieces of silicate mostly, and it began to stick together and you begin to get little rocks, little boulders.

然后其中一些变得像沙石大多是小块的硅酸盐石头，它们又不断地融合其他小石块。

Not that many, but if you go into an area where there aren't a lot of people, some of the roads may still be gravel roads – small little rocks instead of a concrete or asphalt top.

不是那么多，但如果你进入一个人烟稀少的地区，一些道路可能仍然是碎石路——小石头而不是混凝土或沥青路面。