Scientists have unearthed the fossil of a mammal which lived 125 million years ago.

科学家出土了生活在1.25亿年前一只哺乳的化石。

Fossil footprints bring animals back to life, then.

化石足迹使得“复活“。

The Natural History Museum offers an amazing fossil collection of dinosaurs and other animals.

在自然历史博馆，你可以看到震撼的恐龙及其他的化石收藏。

He is a fossil marine mammals expert at the Smithsonian National Museum of Natural History.

他是史密森国家自然历史博馆的海洋哺乳化石专家。

They are bigger than any other fossil cats.

要比其它化石猫科大。

He would have found an antelope fossil because, for every one of these early hominins we find, these human ancestor pieces, we find about 250,000 pieces of antelopes.

他一定是找到了一块羚羊化石，因为我们每发现一块早人科的化石，这些人类祖先的碎片，就会发现大约 25 万块羚羊化石。

He ventured into dense rainforests, climbed mountains in the Andes, and explored the Galapagos islands, collecting and observing plants, animals, and fossils along the way.

他冒险进入茂密的热带雨林，攀登安第斯山脉，探索加拉帕戈斯群岛，沿途收集和观察植、和化石。

On his return to the UK, Darwin became puzzled by the geographic distribution of wildlife and fossils he had collected on the voyage.

回到英国后，达尔文对他在旅途中收集的野生和化石的地理分布感到困惑。

The fossil shows evidence that the animal's hands and feet had small hooves and their toes were connected to aid in swimming.

化石表明，这种的手和脚有小蹄子，它们的脚趾是为了辅助游泳。

He said: " This is the most comprehensive piece of work on fossil vertebrates from the Sahara in almost a century."

“这是近一个世纪以来对撒哈拉沙漠脊椎化石最全面的研究。”

A piece of history has been found thanks to a boy tripping on a rare, 1.2-million-year-old animal fossil.

一块拥有 120 万年历史的稀有化石将一个小男孩绊倒了，人类的一段历史由此被揭晓。

However, an analysis of the fossil also revealed some features which resemble those of anthropoids like monkeys and apes, including man.

然而，分析化石发现这种的一些特征和类人猿（如猴子、猩猩，包括人类）相似。

But then some researchers discovered that the fossil showed the many limbs of an animal and began to study it further.

但后来一些研究人员发现，这块化石显示了的许多腕足，并开始对其进行进一步研究。

We've even found fossilized animal bones that were cut up for dinner that are around 2.5 million years old.

我们甚至发现了被切割过的骨骼化石，距今约有 250 万年。

The sedimentary rocks of the Badlands contain one of the world’s largest and most complete collection of mammal fossils.

荒地的沉积岩中含有世界上最大、最完整的哺乳化石。

Douglas Erwin is with the Smithsonian Institution. He said he is sure the fossils are from an animal.

道格拉斯 欧文（Douglas Erwin）在史密森尼学会工作。他表示自己很确定这种化石来自于。

So most animals that become fossils are relatively big.

因此，大多数成为化石的体型比较大。

Usually fossils are the  bones of an ancient animal.

通常化石是古代的骨骼。

In the same layer of sandy clay under the flowstone, where we found the modern human teeth, there were ALSO fossils from a number of animals that lived during the Upper Pleistocene period -- 125,000 to 10,000 years ago.

在同一层砂质黏土中，我们在石流下方发现了现代人的牙齿化石，同时还发现了上更新世时——125000到10000年前——生活过的多种的化石。

And now one of the richest known accumulations of fossil mammals belongs to the middle of the secondary series; and true mammals have been discovered in the new red sandstone at nearly the commencement of this great series.

现在， 已知最丰富的哺乳化石群之一属于第二系列的中部；在这个伟大系列的开始阶段， 在新的红砂岩中发现了真正的哺乳。