booster seven pipe connector working ladder

例句：

1. 1. The new car has a powerful booster engine.
   这款新车拥有强大的助推引擎。
2. 2. The spacecraft used a booster to reach orbit.
   这艘宇宙飞船使用了助推器到达轨道。
3. 3.The booster was designed to increase the speed of the rocket.
   助推器的设计目的是增加火箭的速度。