名词
中文翻译：化石
同义词：
['fossil', 'fossilized', 'remains']
例句：
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1.The ichnofossil record suggests that the earliest humans evolved in Africa.
化石记录表明最早的人类是在非洲进化的。
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2.Fossils from the Ice Age are often used to study the behavior of early humans.
冰河时期的化石经常被用来研究早期人类的习性。
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3. The discovery of a new species of ichnofossil has sparked debate about the origins of life on Earth.
发现一种新的化石物种引发了关于地球上生命起源的辩论。