乙炔 (yǐ quē) — acetylene (C₂H₂), ethyne

Définition

Exemples

• 工人用乙炔焊接金属。
  Gōng rén yòng yǐ quē hàn jiē jīn shǔ.
  Workers use acetylene to weld metal.
• 实验室里存着几瓶乙炔。
  Shí yàn shì lǐ cún zhe jǐ píng yǐ quē.
  Several bottles of acetylene are stored in the lab.
• 乙炔燃烧时会发出强光。
  yǐ quē Rán shāo shí huì fā chū qiáng guāng.
  Acetylene gives off a bright light when it burns.