名词
中文翻译：古近纪
同义词：
['early Tertiary', 'early Triassic']
例句：
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1.The Eogene period is characterized by the emergence of dinosaurs.
古近纪时期以恐龙的出现为标志。
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2. The Eogene period was a time of significant climate change.
古近纪时期是一次重大的气候变化期。
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3. Many fossils found in the Eogene period are now on display in museums around the world.
古近纪时期的化石现在在世界各大博物馆展出。