hypersonic ramjet engine

例句：

1. 1. The hypersonic jet engine is a revolutionary technology that has the potential to change the way we travel.
   超音速喷气发动机是一种革命性的技术，有可能改变我们旅行的方式。
2. 2. The hypersonic flight was so fast that it felt like time slowed down.
   超音速飞行太快了，感觉时间都变慢了。
3. 3. The hypersonic vehicle is designed to travel at speeds exceeding Mach 2, which means it can travel faster than sound.
   这种超音速飞行器设计的速度超过马赫2，意味着它比声音传播得更快。