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1. The discovery of this species has led to a new understanding of the evolution of life on Earth.
这一物种的发现有助于我们理解地球上生命演化的新认识。
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2. In the spiralian family, there are many different species that can be found in various habitats.
在螺旋虫目家族中，有许多不同的物种可以在各种栖息地中找到。
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3. The spiralian is a fascinating creature with unique features that make it stand out from other animals.
螺旋虫是一种令人着迷的生物，它具有独特的特征，使其与其他动物区别开来。