balloon-type rocket

例句：

1. 1. The new balloon-type rocket is expected to revolutionize space travel.
   新型气球式火箭预计将彻底改变太空旅行。
2. 2. The balloon-type rocket has the potential to reach orbit within a few years.
   这种气球式火箭有望在未来几年内进入轨道。
3. 3. The balloon-type rocket was designed to be lightweight and easy to launch.
   这种气球式火箭设计轻便且易于发射。