名词
中文翻译：最小者
同义词：
['primitive', 'primordial']
例句：
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1.The study of planetesimals is crucial for understanding the origins of life on Earth.
研究行星石对于理解地球上生命的起源至关重要。
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2. The discovery of a new type of planetesimal could revolutionize our understanding of the early solar system.
发现一种新的行星石类型可能会彻底改变我们对早期太阳系的理解。
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3. The ancient Greeks believed that the first humans were created from the dust of planetesimals.
古希腊人认为最早的人类是由行星石的尘埃创造出来的。