名词
中文翻译：原核素
同义词：
['primordiun', 'primordial']
例句：
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1.The discovery of this element has sparked a new era in physics.
这种元素的发现开启了物理学的新时代。
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2. The study of protoactinium is crucial for understanding the origins of life on Earth.
研究原核素对于理解地球上生命的起源至关重要。
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3.This isotope has been used to trace the movement of ancient organisms through time.
这种同位素被用来追踪古代生物在时间中的迁移。