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.

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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.

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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.

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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.

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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.

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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.

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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℃.

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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.

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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.

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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.

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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.

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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.

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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.

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