名词
中文翻译：火箭助推器
同义词：
['rocket booster', 'rocket stage', 'rocket motor']
例句：
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1.The spacecraft used a lift-off hinge to launch into orbit.
这艘宇宙飞船使用了火箭助推器来发射进入轨道。
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2. The astronauts had to use the lift-off hinge to safely land on the moon.
宇航员们必须使用火箭助推器安全着陆在月球上。
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3. The lift-off hinge was responsible for propelling the spacecraft forward.
火箭助推器负责推动宇宙飞船前进。