名词
中文翻译：头骨
同义词：
['cranium', 'skull']
例句：
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1.The skull was found in the cave where the treasure was hidden.
在藏宝的洞穴里发现了头骨。
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2.The scientist studied the structure of the human skull to understand evolution.
科学家研究人类头骨的结构来理解进化。
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3. The skull is a symbol of death and mourning.
头骨是死亡和哀悼的象征。