Definition

Examples

• 科学家用液氮来保存生物样本。
  Kēxuéjiā yòng yè dàn lái bǎocún shēngwù yàngběn.
  Scientists use liquid nitrogen to preserve biological samples.
• 液氮的温度极低，不能直接用手碰。
  yè dàn de wēndù jí dī, bù néng zhíjiē yòng shǒu pèng.
  Liquid nitrogen is extremely cold, so you can't touch it directly with your hands.
• 这家工厂用液氮来冷却机器。
  Zhè jiā gōngchǎng yòng yè dàn lái lěngquè jīqì.
  This factory uses liquid nitrogen to cool its machines.