汞 (gǒng) — mercury

定義

例文

• 这支温度计里含有汞。
  Zhè zhī wēn dù jì lǐ hán yǒu gǒng.
  This thermometer contains mercury.
• 汞是一种重金属，对身体有害。
  gǒng Shì yì zhǒng zhòng jīn shǔ, duì shēn tǐ yǒu hài.
  Mercury is a heavy metal that is harmful to the body.
• 工厂不能直接把汞排进水里。
  Gōng chǎng bù néng zhí jiē bǎ gǒng pái jìn shuǐ lǐ.
  Factories must not directly discharge mercury into water.