The Mesozoic Era, spanning over 180 million years.

中生代，跨度超过 1.8 亿年。

Researchers say they have made a major discovery straight out of the Mesozoic era.

研究人员说，他们有了一直接来自中生代的重大发现。

This would have been especially important in the extreme climate of the early part of the Mesozoic Era.

这在中生代早期的极端气候条件其重要。

The first one occurred around 150 million to 140 million years ago during the Mesozoic era.

第一次发生在大约1.5亿至1.4亿年前的中生代。

Yes, but tell me a dinosaur chicken salad sandwich wouldn't hit the Mesozoic spot.

对啊，但别告诉我一恐龙鸡拉三明治没有中生代的感觉。

And I think for this activity, I'm going to delete " mesozoic" because I don't care.

我想对于这活动，我要删除“中生代”，因为我觉得它没用。

That period is called the Mesozoic Era.

期被称为中生代。

One hypothesis that has gained popularity among paleontologists is the role of extraterrestrial impacts in shaping the Mesozoic area.

有一种假说在古生物学家中越来越受欢迎，就是外星撞击在塑造中生代地区中所起的作用。

… now when they found the remains of the Mesozoic mastodon...

他们找到中生代乳齿象化石。

After the Jurassic period came the last period of the Mesozoic Era.

侏罗纪之后是中生代的最后一期。

So what happened to these sea monsters of the Mesozoic?

么这些中生代的海怪后来怎么样了呢？

The stage was set for the first act of the Mesozoic, the Triassic Period.

舞台是为 中生代的第一幕，三叠纪。

As more fossils of Mesozoic birds were found, more clues started to present themselves.

随着更多中生代鸟类化石的发现， 更多线索开始出现。

Most of its fossils date to the Mesozoic, between 252 and 66 million years ago.

它的大部分化石可以追溯到 252 到 6600 万年前的中生代。

Like, " mesozoic" is really technical, you're probably not going to get that on the test, so I will delete that.

比如，“中生代”是非常专业的词，你可能不会在考试中遇到，所以我把它删掉了。

It lived in the era before the Mesozoic, in the Paleozoic.

它生活在中生代之前的代， 在古生代。

The Mesozoic is sometimes called the Age of Dinosaurs, but plenty of other animals lived at that time, too.

中生代有被称为恐龙代，但当也生活着许多其他动物。

But for the giant reptiles of the Mesozoic, their dominance turned out to be their downfall.

但对于中生代的巨型爬行动物来说， 它们的统治地位原来是它们的垮台。

These events ushered in the third act of the Mesozoic: The Cretaceous Period.

这些事件迎来了 中生代的第三幕：白垩纪。

These external forces began at the end of the Mesozoic, when plate tectonics caused the uplift of mountains in North America and Asia.

这些外部力量始于中生代末期，当板块构造造成了北美洲和亚洲的山脉抬升。