ultimogenitary

例句：

1. 1. The decision was the ultimogenitary factor in their success.
   这个决定是他们成功的关键因素。
2. 2.The ultimogenitary choice of the team will determine their future performance.
   团队的最终选择将决定他们的未来表现。
3. 3.The ultimogenitary decision to invest in renewable energy has been praised by many experts.
   最终决定投资可再生能源的决定受到了许多专家的赞扬。