atomic propulsion nuclear engine

例句：

1. 1. The atomic propulsion system is the heart of our spacecraft's power system.
   原子推进系统是我们飞船动力系统的心脏。
2. 2.The nuclear engine was designed to provide continuous power for the space station.
   核发动机被设计用来为空间站提供持续的动力。
3. 3.The atomic propulsion technology has revolutionized the way we travel in space.
   原子推进技术已经彻底改变了我们在太空旅行的方式。