名词
中文翻译：尾椎骨
同义词：
['caudal vertebra', 'caudal vertebrae例句：1. The tailbone is the last vertebra in the spine.（尾椎是脊柱的最后一块椎骨。）']
例句：
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1. The tailbone is the last vertebra in the spine.
尾椎是脊柱的最后一块椎骨。
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2.He was injured during a fall and required surgery on his tailbone.
他在一次跌倒中受伤，需要进行尾椎手术。
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3.The tailbone is responsible for supporting the lower back and preventing it from bending too far forward.
尾椎骨负责支撑下背部并防止它过度向前弯曲。