1. 名詞
   nucleation複數: 成核現象, 晶核形成
   

例句

1. All of the nucleations represent a crystal, which grows as the heat of fusion is extracted from the liquid until there is no liquid left.
2. Nucleations are needed to stimulate the formation of bubbles because carbon dioxide has to first diffuse from the wine solution before it can rise out of the glass and into the air.
3. We must recognise that villages in the past were nucleations of farms and cottages, generally in a discrete unit of land, with a separate field system, managed communally so that all farmers and landholders were interdependent on each other.