名词
中文翻译：顶端系统
同义词：
['cranial system', 'cranial structure']
例句：
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1.The apex of the mountain is visible from the top of the hill.
山顶从山丘顶部可见。
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2. The apex of the brain controls our emotions and decision-making.
大脑的顶端控制着我们的情绪和决策。
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3. The apex of the tree is where the leaves grow.
树的顶端是叶子生长的地方。