Definition

Examples

• 金刚石是自然界中最硬的物质。
  jīn gāng shí shì zìránjiè zhōng zuì yìng de wùzhì.
  Diamond is the hardest substance in nature.
• 这颗金刚石重达十克拉。
  Zhè kē jīn gāng shí zhòng dá shí kèlā.
  This diamond weighs ten carats.
• 工业上常用金刚石来切割玻璃。
  Gōngyè shàng cháng yòng jīn gāng shí lái qiēgē bōli.
  In industry, diamonds are often used to cut glass.