The dinosaur fossils are from the Late Triassic period, called the “dawn of the dinosaurs.”

恐龙化石来自晚三叠世时期，被称为“恐龙的黎明”。

Dinosaurs first appear in the fossil record during the Triassic period, some 230m years ago.

恐龙最早三叠纪时期(距今约2.3亿年)的化石记录中。

They do not take over, though, until the end of the Triassic, 201m years ago.

但直至三叠纪末期(距今2.01亿年)恐龙才取得地球霸主地位。

It led to the rise of dinosaurs during the following Triassic Period.

它导致了接下来的三叠纪时期恐龙的崛起。

The researchers believe the dinosaur lived during the Triassic Period.

研究员认为这种恐龙生活三叠纪时期。

During the Triassic Period, all continents were part of a single land mass called Pangea.

三叠纪时期，所有的大陆都是盘古大陆的部分。

And then there's the overview of the Triassic.

然后接下来是三叠纪的概观。

This little creature spends its days splashing in Late Triassic swamps with a host of other reptiles.

这种小生与其它爬行起，游荡三叠纪的沼泽中。

The small reptile would have lived in the Triassic Period on land which is today southern Brazil.

这种小型爬行应该生活三叠纪时期的陆地上，也就是今天的巴西南部。

In fact, most early Triassic dinosaurs were on the shrimpy side, including predators like the fierce, mule-sized Coelophysis.

事实上，大多数早三叠世的恐龙都处于濒临灭绝，包括肉食，比如凶猛的骡子，体型大小的腔骨龙。

The first dinosaurs and these other animals evolved during a time on earth called the Triassic Period.

最早的恐龙和其他是地球上个被称为三叠纪的时期进化来的。

The era is divided into three periods: Triassic, Jurassic, and Cretaceous.

这个时代分为三个时期：三叠纪、侏罗纪和白垩纪。

And then after the Triassic, we really get into kind of the sweet spot of the dinosaur age.

然后，三叠纪之后，我们真正进入了恐龙时代的黄金时期。

The Triassic (210 million years ago) and Cretaceous (65 million years) each wiped out 70 to 75 percent of species.

三叠纪（2l000万年以前）和自垩纪（6500万年以前）分别消灭了70%-75%的种。

Until now, the end of the Triassic has been blamed on massive volcanic eruptions that went on for 600,000 years.

直到，们都直将三叠纪的终结归因于持续了60万年的大规模火山喷发。

The world was pretty different during the late Triassic period.

三叠纪晚期的世界截然不同。

Scientists say the late Triassic period was the dawn of the first dinosaurs.

科学家说三叠纪晚期是第批恐龙的黎明时期。

252 million years ago, between the Permian and Triassic periods, the Earth's land masses gathered together into the single supercontinent Pangaea.

52亿年前， 二叠纪和三叠纪时期之间，地球上的陆地聚集 成 个超级大的盘古大陆。

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

舞台是为 中生代的第幕，三叠纪。

In fact, the dicynodonts became the most common group of land vertebrates during the Triassic.

事实上，二齿兽类成为三叠纪最常见 的陆地脊椎群。