名词
中文翻译：石墨圆环
同义词：
['graphite circle', 'graphite disk']
例句：
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1.The graphite rosette was used to mark the center of the circle.
石墨圆环用来标记圆心的。
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2. The graphite rosette was a symbol of the ancient Egyptians' belief in the afterlife.
石墨圆环是古埃及人对来世信仰的象征。
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3. The graphite rosette was used as a decorative element in the construction of buildings.
石墨圆环作为建筑装饰元素使用。