nuclear energy fusion

例句：

1. 1. Nuclear energy is a clean and sustainable source of power.
   核能是一种清洁且可持续的能源。
2. 2.The development of nuclear energy has greatly improved our energy efficiency.
   核能的开发大大提高了我们的能源效率。
3. 3. In the future, nuclear energy will play an increasingly important role in our energy mix.
   未来，核能在我们的能量组合中将扮演越来越重要的角色。