ramjet rocket

例句：

1. 1. Theramjet engine is responsible for propelling the spacecraft through the atmosphere.
   喷气式发动机负责推动宇宙飞船穿越大气层。
2. 2. The ramjet engine is akey component of modern aviation technology.
   喷气式发动机是现代航空技术的关键组成部分。
3. 3. The ramjet engine has revolutionized the way we travel and explore theworld.
   喷气式发动机已经彻底改变了我们旅行和探索世界的方式。