triplicity trine

例句：

1. 1. The molecule has a triplicity of functional groups.
   这个分子有三个功能团。
2. 2. This is a trilogy of films that spans three decades.
   这是一部跨越三十年的三部曲电影。
3. 3. The company's stock price tripled in the last quarter.
   该公司的股票价格在上一季度翻了一番。