动词短语
中文翻译：Unknown
同义词：
['rocket abandon', 'rocket discard']
例句：
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1. The rocket was launched and thenjettisoned into space.
火箭被发射并随后被抛弃到太空。
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2. Theastronauts had to jettison their spacecraft before they could landsafely.
宇航员在着陆前必须抛弃他们的宇宙飞船。
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3. The rocket's engineswere jettisoned to reduce itsweight for better performance.
为了提高性能，火箭的发动机被抛弃以减轻重量。