名词
中文翻译：Unknown
同义词：
['Proboscidean', 'Archaic anthropoid', 'Paleoanthropoid']
例句：
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1. The discovery ofProtohippus in the fossil record provides insight into the evolution of early humans.
在化石记录中发现的Protohippus为早期人类进化提供了线索。
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2.Protohippus was a large mammal that lived during the Paleocene period.
Protohippus是一种大型哺乳动物，生活在白垩纪时期。
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3.The study of Protohippus has shed light on the adaptations required for life in the harsh environment of the Paleocene era.
对Protohippus的研究揭示了白垩纪时代恶劣环境中生存所需的适应特征。