名词
中文翻译：石墨
同义词：
['graphite', 'carbon black例句：1. The graphite was used to make pencils.（石墨被用来制作铅笔。）']
例句：
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1. The graphite was used to make pencils.
石墨被用来制作铅笔。
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2.The graphite is used in the production of electrical equipment.
石墨用于生产电气设备。
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3.The graphite is a good lubricant for metal cutting tools.
石墨是金属切割工具的良好润滑剂。