名词
中文翻译：三叶形阶段
同义词：
['trilobite stage', 'trilobite stage']
例句：
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1.The study of the trefoil stage has provided valuable insights into the evolution of life on Earth.
研究三叶形阶段为了解地球上生命演化提供了宝贵的见解。
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2.During the trefoil stage, the organisms were small and vulnerable to predators.
在三叶形阶段，这些生物体小而易受捕食者攻击。
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3. The discovery of this stage has led to a better understanding of the early history of life on Earth.
这一发现有助于更好地理解地球上早期生命的历程。