Cretaceous period的意思|示意

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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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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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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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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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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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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