石墨 (shí mò) — graphite

Definizione

Esempi

• 铅笔芯的主要成分是石墨。
  Qiān bǐ xīn de zhǔ yào chéng fèn shì shí mò.
  The main component of pencil lead is graphite.
• 这种石墨的纯度很高，适合做电池。
  Zhè zhǒng shí mò de chún dù hěn gāo, shì hé zuò diàn chí.
  This type of graphite has high purity and is suitable for making batteries.
• 工业上常用石墨作为润滑剂。
  Gōng yè shàng cháng yòng shí mò zuò wéi rùn huá jì.
  In industry, graphite is often used as a lubricant.