hydrogen engine

例句：

1. 1. The hydrogen engine is a promising technology for future energy systems.
   氢发动机是未来能源系统的一个有前途的技术。
2. 2.The hydrogen engine has the potential to significantly reduce emissions from transportation.
   氢发动机有望显著减少交通运输的排放。
3. 3. The development of hydrogen engines could revolutionize the way we move around.
   氢发动机的发展可能会彻底改变我们出行的方式。