名词
中文翻译：头盖骨
同义词：
['cephalon', 'cerebellum例句：1. The protocephalon is the first part of the brain that develops before the rest of the brain.（头盖骨是大脑发育的最初部分，在大脑其他部分发育之前。）2. In some species', 'the protocephalon can be used as a weapon to defend against predators.（在一些物种中，头盖骨可以用作武器来抵御捕食者。）']
例句：
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1. The protocephalon is the first part of the brain that develops before the rest of the brain.
头盖骨是大脑发育的最初部分，在大脑其他部分发育之前。
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2. In some species, the protocephalon can be used as a weapon to defend against predators.
在一些物种中，头盖骨可以用作武器来抵御捕食者。
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3. The protocephalon is also known for its unique shape and structure.
头盖骨因其独特的形状和结构而闻名。