名词
中文翻译：Unknown
同义词：
['fossil stage', 'paleontological stage', 'paleozoic stage例句：1. The faunal stage of the fossil record is crucial for understanding the evolution of life on Earth.（化石记录中的动物阶段对于理解地球上生命演化至关重要。）2. Paleontologists have discovered a new species of ammonite in the paleontological stage of the Cretaceous period.（古生物学家在白垩纪的古生物阶段发现了一种新的蚌类物种。）']
例句：
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1. The faunal stage of the fossil record is crucial for understanding the evolution of life on Earth.
化石记录中的动物阶段对于理解地球上生命演化至关重要。
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2. Paleontologists have discovered a new species of ammonite in the paleontological stage of the Cretaceous period.
古生物学家在白垩纪的古生物阶段发现了一种新的蚌类物种。
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3. The paleozoic stage of the Earth's history is characterized by the appearance ofdinosaurs and other extinct creatures.
地球历史中的古生代阶段以恐龙和其他已灭绝生物的出现为特征。