Definition

Examples

• 科学家用伽马射线研究宇宙中的高能现象。
  Kēxuéjiā yòng gā mǎ shè xiàn yánjiū yǔzhòu zhōng de gāonéng xiànxiàng.
  Scientists use gamma rays to study high-energy phenomena in the universe.
• 医生用伽马射线来治疗肿瘤。
  Yīshēng yòng gā mǎ shè xiàn lái zhìliáo zhǒngliú.
  Doctors use gamma rays to treat tumors.
• 伽马射线对人体有害，需要做好防护。
  gā mǎ shè xiàn duì réntǐ yǒuhài, xūyào zuò hǎo fánghù.
  Gamma rays are harmful to the human body, so good protection is needed.