Definition

Examples

• 居里夫人发现了镭这种放射性元素。
  Jūlǐ fūrén fāxiàn le léi zhè zhǒng fàngshè xìng yuánsù.
  Madame Curie discovered the radioactive element radium.
• 镭的发现对医学治疗有重要意义。
  léi de fāxiàn duì yīxué zhìliáo yǒu zhòngyào yìyì.
  The discovery of radium has significant implications for medical treatment.
• 早期钟表曾用镭来让指针发光。
  Zǎoqī zhōngbiǎo céng yòng léi lái ràng zhǐzhēn fāguāng.
  Early clocks and watches once used radium to make the hands glow.