名词
中文翻译：第四纪系统
同义词：
['Quaternary Age', 'Quaternary Period例句：1. The Quaternary System is a geological period that spanned from the end of the Cretaceous period to the beginning of the Tertiary period.（第四纪系统是一个地质时期，从白垩纪末期到第三纪初期。）']
例句：
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1. The Quaternary System is a geological period that spanned from the end of the Cretaceous period to the beginning of the Tertiary period.
第四纪系统是一个地质时期，从白垩纪末期到第三纪初期。
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2. The Quaternary System has been extensively studied for its impact on climate change.
第四纪系统因其对气候变化的影响而广泛研究。
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3. The Quaternary System is characterized by the formation of ice sheets and glaciers during thisperiod.
第四纪系统以这一时期形成冰盖和冰川为特征。