名词
中文翻译：原椎骨
同义词：
['pro-vertebra', 'primitive vertebra例句：1. The protovertebrae of the vertebrate animal are fused together at birth.（脊椎动物的原始椎骨在出生时已经融合在一起。）2. In some species', 'the protovertebrae may be modified to support additional appendages.（在一些物种中，原始椎骨可能被改造以支撑额外的附属器官。）3. The study of protovertebrates provides insights into the evolution of vertebrates.（对原椎动物的研究为脊椎动物的进化提供了见解。）']
例句：
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1. The protovertebrae of the vertebrate animal are fused together at birth.
脊椎动物的原始椎骨在出生时已经融合在一起。
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2. In some species, the protovertebrae may be modified to support additional appendages.
在一些物种中，原始椎骨可能被改造以支撑额外的附属器官。
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3. The study of protovertebrates provides insights into the evolution of vertebrates.
对原椎动物的研究为脊椎动物的进化提供了见解。