To find such living fossils from as far back as the Cretaceous is extraordinary.

能发现白垩纪石是非同了不起。

Instead of finding a " living fossil" identical to an ancient beast, they have found a real fossil identical to a modern one.

他们不是找到了一与古兽相同" 石" ，而是找到了一跟现代兽类相同真正石。

It was the largest shark that ever existed. A living fossil. Thought to have been extinct for over two million years.

这是有史以来最大鲨鱼。石啊。它应该在两百万年前就已经灭绝了。

Another example is the dawn red wood, metasequoia, which was described as a fossil in 1941.

另外一是黎明红木，水杉，在1941年时候被称为石。

Some people call the fish a “living fossil.”

有人称这种鱼为“石”。

And this guy was a relic out of 1940 Soviet union.

这人简直就是1940年代苏联石。

That's why people call these " living fossils" ?

所以人们才称它们为“石”？

These anomalous forms may be called living fossils; they have endured to the present day, from having inhabited a confined area, and from having been exposed to less varied, and therefore less severe, competition.

这些异常形式可以称为石；他们一直忍受到今天， 因为他们居住在一狭窄区域，并且接触到竞争较少， 因此竞争也不那么激烈。

So it's really, you know, some people are calling it as the museum of folk culture and also the living fossil of the rural history.

所以，你知道，有些人称它为民俗文博物馆，也是农村历史石。

Just take a look at one of the most famous so-called living fossils -- the crocodylians, like alligators, crocodiles, and gharials.

只需看看一种最着名所谓石——鳄形目，比如短吻鳄、鳄鱼和印度淡水鳄。

They've outlived the dinosaurs, and they just look like a living fossil, and Daisy is such a sweetheart.

它们比恐龙得还久， 看起来就像石，而黛西真是大甜心。

Species and groups of species which are called aberrant, and which may fancifully be called living fossils, will aid us in forming a picture of the ancient forms of life.

被称为畸变物种和物种群， 可以幻想地称为石， 将帮助我们形成一幅古代生命形式图画。

So, as a descriptive term, " living fossil" doesn't seem very useful, at least on smaller geologic time scales.

因此，作为一种描述性术语， “石” 似乎并没有太大用处，至少在较小地质时间尺度上是这样。

" Living fossil" doesn't really give them a lot of credit for winning for so long.

“石”并没有真正给予他们如此长时间获胜荣誉。

" Living fossil" … I'm not a huge fan of that term.

“石”......我不太喜欢这词。

If the definition of a living fossil is an organism that's basically unchanged over long periods of time, then we got a whole world of living fossils around us!

如果石定义是长时间内基本没有变生物，那么我们周围就有大量石！

But just one of the problems with the idea of " living fossils" is that there are actually many plants and animals that look a lot like their distant ancestors.

但关于“石”这概念一问题在于，实际上有很多植物和动物看起来与它们遥远祖先非常相似。

And while " living fossils" might be slowly evolving in shape, that doesn't mean they aren't changing on molecular level.

虽然“石” 形状可能正在缓慢演变，但这并不意味着它们在分水平上没有发生变。

By this definition, we could be considered a living fossil too, because we don't look all that different from when our species branched off.

根据这定义， 我们也可以被视为石，因为我们看起来与我们物种分时没有什么不同。

Today, the term " living fossil" is sometimes taken to mean that some organisms evolve, while others don't.

今天， “石” 这词有时被理解为一些生物会进，而另一些则不会。