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1. The spider is an insect with a segmented body and no skeletal structure, making itan example of an invertebrate.
蜘蛛是一种有分段身体但没有骨骼结构的昆虫,因此它是无脊椎动物的一个例证。
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2. In the field of neuroscience, the study of invertebrates has revealed much about the workings of the brain.
在神经科学领域,研究无脊椎动物的研究揭示了大脑工作的许多方面。
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3. The discovery of new species of amphibians has expanded our understanding of the diversity of life on Earth.
新种两栖动物的发现扩大了我们对地球上生命多样性的理解。