smokeless-powder rocket

例句：

1. 1.The new rocket technology has made it possible to launch satellites into space.
   新的火箭技术使得将卫星送入太空成为可能。
2. 2. The rocket was launched from the Kennedy Space Center in Florida.
   火箭从佛罗里达的肯尼迪航天中心发射升空。
3. 3.The rocket's propulsion system is highly efficient and reliable.
   火箭的推进系统非常高效且可靠。