The researchers believe the dinosaur lived during the Triassic Period.

研究人员认为这种恐龙生活在三叠纪时。

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

它导致了接下来的三叠纪时恐龙的崛起。

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，被称为“恐龙的黎明”。

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

在三叠纪时，所有的大陆都是盘古大陆的部分。

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

恐龙现在三叠纪时(距今约2.3亿年)的化石记录中。

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

的恐龙和其他动物是在地球上个被称为三叠纪的时进化来的。

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， 在二叠纪和三叠纪时之间，地球上的陆地聚集 成 个超级大的盘古大陆。

The world was pretty different during the late Triassic period.

三叠纪晚的世界截然不同。

The Triassic period was an incredibly important 50 million years of evolution.

三叠纪时是个非常重要的 5000 万年的演化时。

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

科学家说三叠纪晚是第批恐龙现的黎明时。

During the Triassic period, the continents were joined together into Pangea.

在三叠纪时，各大洲合并为盘古大陆。

Pangea did not begin to break apart until the end of the Triassic period.

直到三叠纪末，盘古大陆才开始分裂。

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。

This is Earth, 250 million years ago, at the beginning of the Triassic Period.

这是地球，距今 2.5 亿年前， 三叠纪初。

Wegener thought that there had actually been only one continent for most of geologic time and that the giant continent had fragmented in the late Triassic Period.

魏格纳认为，在地质时的大部分时间里，实际上只有块大陆，而这块巨大的大陆在晚三叠纪时分裂了。

Around 250 million years ago, during the Triassic period, a class of reptiles called archosaurs split into two main groups.

大约 2.5 亿年前的三叠纪时，种叫做主龙的爬行动物分为两大类。

The entire Triassic Period is a window of just 52 million years, between two major extinction events.

整个三叠纪时是两次重大灭绝事件之间仅有 5200 万年的窗口。

The first possible sauropod tracks show up toward the end of the Triassic Period, around 210 million years ago, in North America.

第条可能的蜥脚类足迹现在三叠纪末，大约 2.1 亿年前， 在北美。

Likewise, in the Triassic Period, nearly every age is defined by the first appearance of various conodonts.

同样，在三叠纪时，几乎每个时代都由各种牙形刺的首次现来定义。

During the Triassic Period, the supercontinent of Pangea was just beginning to drift apart into a northern and southern continent.

在三叠纪时，盘古大陆刚刚开始漂移成南北大陆。