cretaceous period

Jurassic System entered oil-generating stage in Late Cretaceous Period, and entered oil-generating peak in Tertiary Period.

侏罗系地层在晚白垩世开始进入生油期,第三纪时进入生油高峰,这时侏罗系地层经受的最高古地温为137℃.

From the view of stratigraphy, they all belong to the Cretaceous period.

从地层学上看, 它们都属于白垩纪.

The web found recently dates to the Cretaceous period . At that time, dinosaurs walked the earth.

最近发现的这张蜘蛛网是白垩纪的, 那时候, 地球上还有恐龙在行走.

The Cretaceous period ended 65 m years ago with the obliteration of the dinosaurs.

6500万年前白垩纪的结束伴随着恐龙的灭绝.

Ankylosaurus lived 70 to 65 million years ago. That time was called the late Cretaceous period.

甲龙生活在6500万年~7000万年前, 这个时候是白垩纪晚期.

As fossil evidences show, the fossil of taxus were found in the upper Cretaceous period.

根据化石研究表明, 红豆杉科的化石发现于上白垩世.

This clam fossil is from the Cretaceous Period, approximately 100 million years ago.

这个蛤化石来自大约一亿年以前的白垩纪时期.

The prehistoric reptile lived in the Cretaceous period, about 125 million years ago.

这只史前爬行动物生活在约一亿两千五百万年前的白垩纪.

The story takes place 6500 years ago in the Cretaceous period.

故事发生在6500万年前的白垩纪晚期.

Deinonychus lived 110 to 100 million years ago. That time was called the Cretaceous period.

恐爪龙生活在1亿~1亿1000万年前, 这个时候叫做白垩纪.

The Maiasaura lived 80 to 65 million years ago. That time was called the Cretaceous period.

慈母龙生活在6500万~8000万年前, 这个时候是白垩纪晚期.

Corythosaurus lived 80 to 65 million years ago. That time was Cretaceous period.

冠龙生活在6500万~8000万年以前, 这个时候是白垩纪.

Albertosaurus lived 76 to 74 million years ago. That time was called the late Cretaceous period.

阿尔贝塔龙生活在7400万~7600万年前, 这个时期是白垩纪晚期.