launch a booster rocket
rocket propulsion
solid booster rocket
liquid booster rocket
booster stage
1. The booster rocket separated from the main stage successfully.
助推火箭成功与主级分离。
2. Engineers are testing a new type of solid booster rocket.
工程师们正在测试一种新型固体助推火箭。
3. The launch failed due to a malfunction in the booster rocket.
由于助推火箭故障，发射失败了。
A: Did the booster rocket perform as expected during the launch?
A：助推火箭在发射过程中的表现符合预期吗？
B: Yes, the booster rocket provided sufficient thrust for the mission.
B：是的，助推火箭为任务提供了足够的推力。
1) 用于在发射阶段增加推力的火箭部件
2) 航天器推进系统中的一级推进模块
3) 协助航天器脱离地球引力的组件
1. 助推火箭
e.g.
The spacecraft was propelled by a powerful booster rocket.
航天器由强大的助推火箭推进。
noun
1. A rocket component used to provide additional thrust to a spacecraft during the launch phase.
Synonym: rocket booster