supersaturation [ˌsu:pəsætʃə'reɪʃən]

例句:

• A drop zero radius would require an infinite supersaturation to maintain it.
  要使一个半径为零的液滴保持下去将需要无限大的过饱和度.
  
• What determines a particle's potential for nucleation is its " critical supersaturation ".
  粒子的 “ 临界过饱和 ” 决定了它的成核潜力.
  
• Condensation occurs when the supersaturation is positive.
  当过饱和是正值时,则出现凝结.