the Cretaceous period中文,the Cretaceous period的意思,the Cretaceous period翻译及用法

2025-09-09 13:17 浏览次数 9

the Cretaceous period

白垩纪

the Cretaceous period 例句

英汉例句

  • This 65.5-million-year old layer of Earth separates fossils of the Cretaceous period from those of the Tertiary period.

    他们发现当时被称为K-T边界的沉积层中含有浓度极高的铱元素,这个具有6,550万年历史的古老地层将白垩纪的化石与第三纪的化石分离开来。

  • Xixia ruins belong to the Cretaceous period dinosaur rift sedimentary basin.

    西峡恐龙遗址属于白垩纪断陷盆地沉积。

  • One was an isolated feather dating from the Cretaceous period (about 100m years ago) that was found in Brazil.

    其中一个是在巴西发现的白垩纪(约1亿年前)的一根羽毛。

  • This 65.5-million-year-old layer of Earth separates fossils of the Cretaceous period from those of the Tertiary period.

    这个有着6550万年历史的地层分离了白垩纪的化石和第三纪的化石。

  • Microraptoris one of many small, feathered dinosaurs found in what is now China that were alive during the Cretaceous period more than 66m years ago.

    小盗龙,生活在距今六千六百多万年前的白垩纪,是现今中国境内发现的众多体型娇小、长有羽毛的恐龙之一。

  • Tyrannosaurus rex arose during the Cretaceous period about 85 million years ago and thrived as a top land predator until the dinosaurs went extinct 20 million years later.

    霸王龙出现,在白垩纪时期约85万年前,和蓬勃发展作为最高的土地捕食,直到恐龙灭绝二千万年后。

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