cretaceous period
恐龙繁盛
常用释义
英式发音
美式发音
基本释义
- 白垩纪：地质年代的一个时期，距今约1.45亿年至6,500万年前，是中生代的最后一个时期。在白垩纪，恐龙繁盛，同时也出现了许多其他种类的生物。
例句
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1·These animals were not as sensitive to climate changes in the Cretaceous period as they are today.这些动物在白垩纪对气候变化不像今天这样敏感。
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2·Changes in climate before the Cretaceous period caused severe fluctuation in sea level, resulting in the extinction of the dinosaurs.白垩纪以前的气候变化导致了海平面的剧烈波动，引发了恐龙的灭绝。
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3·Not exactly outer space then, or the Cretaceous period.而并不是外太空或是白垩纪。
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4·The Cretaceous Period was about 120 million years ago.白垩纪时代大约是一千二百万年以前。
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5·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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6·From the view of strati graphy 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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7·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。
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8·In Australia, this happened about 60 million years ago in the Cretaceous Period.在澳洲，约60万多年前发生在白垩纪。
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9·The prehistoric reptile lived in the cretaceous period about125million 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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10·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。