名词中文翻译
中文翻译：最老的阶段
同义词：
['oldest phase', 'oldest period', 'primordial stage']
例句：
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1. The study of the oldest stageof human evolution is still ongoing.
对最古老人类阶段的研究的进行仍在进行中。
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2. Theoldest stage of this process has been identifiedas the formation of the Earth'scrust.
这一过程的最古老阶段已被识别为地球地壳的形成。
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3. The oldeststage of the fossil recordis often associated with the Cambrian explosion.
化石记录的最古老阶段通常与寒武纪大爆发相关联。