名词
中文翻译：寒武纪时期
同义词：
['Cambrian epoch', 'Cambrian era']
例句：
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1.The Cambrian Period is often referred to as the "age of dinosaurs."
寒武纪时期通常被称为恐龙时代。
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2. During the Cambrian Period, the first animals appeared on Earth.
在寒武纪时期，第一批动物出现在地球上。
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3. The discovery of Cambrian fossils has helped scientists understand the early evolution of life.
发现寒武纪化石有助于科学家了解生命的早期进化。