The researchers believe the dinosaur lived during the Triassic Period.

研究人员认为这种恐龙生活在三纪期。

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

它导致了接下来三纪期恐龙崛起。

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

恐龙化石来自晚三期，被称为“恐龙黎明”。

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

在三纪期，所有大陆都是盘古大陆部分。

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

恐龙出现在三纪期(距今约2.3亿年)化石记录中。

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

恐龙和其他动物是在地球上个被称为三纪期进化出来。

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， 在二纪和三纪期之间，地球上陆地聚集 成 个超级大盘古大陆。

The world was pretty different during the late Triassic period.

三纪晚期界截然不同。

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

三纪期是个非常重要 5000 万年演化期。

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

科学家说三纪晚期是第批恐龙出现黎明期。

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

在三纪期，各大洲合并为盘古大陆。

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

直到三纪末期，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 中生代第幕，三纪。

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， 三纪初期。

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，在地质期大部分间里，实际上只有块大陆，而这块巨大大陆在晚三纪期分裂了。

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

大约 2.5 亿年前三纪期，种叫做主龙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.

整个三纪期是两次重大灭绝事件之间仅有 5200 万年窗口。

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

第条可能蜥脚类足迹出现在三纪末期，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，在三纪期，几乎每个代都由各种牙形刺首次出现来定义。

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

在三纪期，盘古大陆刚刚开始漂移成南北大陆。