enriched fuel

例句：

1. 1. The new engine uses an enriched fuel to improve its efficiency.
   新引擎使用一种富化燃料来提高其效率。
2. 2. The research team is working on developing a more efficient and enriched fuel for their vehicles.
   研究团队正在努力开发一种更高效且富化的燃料，用于他们的车辆。
3. 3. The use of enriched fuel in the industry has been a topic of discussion for years.
   工业中富化燃料的使用已经是一个讨论了多年的话题。